Mark Rollins is a fictional character portrayed by Ari Millen in the TV series Orphan Black.
In the first episode they appeared in, titled Nature Under Constraint and Vexed (season 2), they were 32 years old.
They appear in 36 episodes out of a total of 50 aired and have accumulated 8917 positive votes.
The character of Mark Rollins is mainly associated with Sarah Manning, Professor Susan Duncan and Henrik Johanssen.
Episodes36
Nature Under Constraint and Vexed
episode S2.E1 april 2014Sarah is out of options, on the run, and pursued by deadly adversaries. Desperate to find her daughter Kira, Sarah suspects ruthless pro-clone Rachel is behind her daughter’s disappearance and sparks an all out war against her.- 45min
Governed by Sound Reason and True Religion
episode S2.E2 april 2014While Alison struggles with Aynsley's death and Cosima grapples with the worsening symptoms of her mysterious sickness, Sarah enlists Art’s help to find Kira and is shocked when she learns where the trail leads.- 45min
Mingling Its Own Nature with It
episode S2.E3 may 2014After hitting the road with Felix, Sarah is forced to turn to a ghost from her past — an old flame named Cal Morison. When their brief respite is brutally shattered, Sarah realizes that no matter how far she runs, it will never be far enough.- 45min
Governed as It Were by Chance
episode S2.E4 may 2014Sarah comes home looking for answers, and with the help of Cosima, they begin digging into the origins of the clone experiment. The hunt for answers takes her right into the belly of the beast, but getting out could cost her more than she knows.- 45min
Ipsa Scientia Potestas Est
episode S2.E5 may 2014Rachel goes on the warpath, lashing out at Sarah’s nearest and dearest. While she tries to keep her loved ones safe, an unexpected visitor threatens to derail Sarah’s plans.- 45min
To Hound Nature in Her Wanderings
episode S2.E6 may 2014Sarah joins forces with an unlikely and untrustworthy ally, following a trail of clues that she hopes will lead her to the origins of the clone experiment. Cosima and Delphine make a discovery that could prove to be the key to treating her illness. Alison finds herself in unsavory company at rehab.- 45min
Things Which Have Never Yet Been Done
episode S2.E9 june 2014Cosima takes a turn for the worse, forcing Sarah to take desperate action which results in tragic consequences for those she loves. The Proletheans set their ultimate plan in motion, while Alison and Donnie tangle with the law.- 45min
By Means Which Have Never Yet Been Tried
episode S2.E10 june 2014The war with Dyad is all but lost when Rachel’s latest ploy forces a broken Sarah to concede. The Clone Club springs into action, uniting in a reckless gambit to save Sarah. As they fight to gain their freedom, Sarah encounters a new ally and uncovers a terrifying new dimension to the conspiracy.- 45min
The Weight of This Combination
episode S3.E1 april 2015Sarah pursues the missing Helena who is held in a faraway compound. Sarah must use her wiles – and acting chops – to deter a Topside investigator who threatens the Leda sisters’ lives. Meanwhile, Cosima appears to be rebounding from her illness, while Alison and Donnie face newfound financial woes. But when the menace of Castor rears its head once more, Sarah and her entire family must come together to survive.- 45min
Transitory Sacrifices of Crisis
episode S3.E2 april 2015Castor pursues the Leda clones for original tissue samples. Helena, who is pregnant and imprisoned, is examined by a mysterious new villain. The Castor boys are also out to play, toying with a frightened young woman, Patty, in a sexy switcheroo that ultimately sets Sarah – and Art – hot on the Castor trail. But it’s not all fun and games for the Castor boys, as Sarah gleans they may have a mysterious defect that puts their lives in peril.- 45min
Formalized, Complex, and Costly
episode S3.E3 may 2015Leda and Castor are both on the hunt for original clone DNA. On-the-lam, Mark and Gracie pursue new leads to find the samples that might set them free, while Art and Sarah reunite to track them down. Meanwhile, Cosima and Scott try to learn more about Castor’s biology and Alison’s new money-making venture is going gangbusters. A shocking revelation about the Castor-Leda connection leaves the sisters reeling, just before Sarah witnesses a deadly Prolethean-Castor face-off.- 45min
Newer Elements of Our Defense
episode S3.E4 may 2015Mark is taken down in a Prolethean shoot-out and Sarah must step in to help. But as Sarah gathers intel that puts her on the trail of the original Castor DNA, a familiar foe is not far behind. While Helena continues to toil in a faraway military compound, it is ultimately Sarah’s fate that will hang in the balance as she tries to save her sister. Meanwhile, Gracie is cast out from the Prolethean fold, and Alison and Donnie come face-to-face with unhappy drug lord, Jason Kellerman.- 45min
Scarred by Many Past Frustrations
episode S3.E5 may 2015Helena and her seestra are reunited at the Castor camp when Sarah is captured. As Sarah suffers testing, Paul appears to chide her; but his allegiances are beginning to strain. While the Leda family worries about Sarah’s absence, Gracie ‘breaks Amish’ under the care of Mrs. S and an unwilling Felix. Cosima falls hard for an internet date, Shay.- 45min
Certain Agony of the Battlefield
episode S3.E6 may 2015Paul digs and finds the ugly truth behind the Castor Boys’ logbooks of names, pushing him into action. Meanwhile, Felix is desperate for info on Sarah’s whereabouts, and presses the still-ailing Rachel for any shred of a lead. In order for Donnie and Alison to take their money-making endeavor to the “next level” she must introduce Jason Kellerman to her unique business plan.- 45min
Community of Dreadful Fear and Hate
episode S3.E7 may 2015Alison must secure a store front in order to take her and Donnie’s business to the “next level”. But things don’t go according to plan when her mother, Connie, proves to be a major hindrance. Cosima is facing familiar health issues and calls upon beleaguered Alison for a favor. But with Alison working to save an imperiled Donnie from the merciless hands of a drug lord, it’s Cosima who ends up doing a favor. An unassuming Scott gets closer to the greatest discovery of all, when he sits down with beleaguered clone Rachel.- 45min
Ruthless in Purpose, and Insidious in Method
episode S3.E8 june 2015When Rachel makes a promise to Sarah, it comes with a hefty price. Meanwhile, Helena and Gracie work with the Hendrixes, and Donnie takes Kellerman to task. Over at Castor, Coady and Benchman scheme to track down the Castor Original, and Rudy descends on DYAD for a much needed asset.- 45min
Insolvent Phantom of Tomorrow
episode S3.E9 june 2015Sarah, Felix and Mrs. S take a trip with the hopes of tracking down the Castor Original. But they are not alone. Back home, Donnie tries to save the family business when Pouchy defects, but it is Helena who manages to secure a “full refund.” Meanwhile, Cosima becomes suspicious of Shay, and Delphine takes the matter into her own hands. But nothing will ever be the same again when Leda finally finds what they’ve been looking for.- 45min
History Yet to Be Written
episode S3.E10 june 2015As Clone Club races towards the truth, Castor and Topside force Sarah to make uneasy alliances. Meanwhile, Kendall may be the key to stop Castor; the sisters appear to be thwarting their most dangerous foe.- 45min
The Stigmata of Progress
episode S4.E3 april 2016As Sarah reels from the shocking discovery of Neolution’s biotech, she’s desperate to find answers. Rachel receives a visit from her keeper and takes a fraught step forward towards recovery. Meanwhile, Helena is mistaken for “Mrs. Hendrix” when she answers a visit from suspicious visitors.- 45min
From Instinct to Rational Control
episode S4.E4 may 2016Sarah forms an alliance with a former enemy in hopes of getting to the head of Neolution. Elsewhere, Allison orders Felix and Donnie to invade a Neolution fertility clinic and Susan Duncan leaves Rachel to make a devastating decision.- 45min
Human Raw Material
episode S4.E5 may 2016Sarah’s day off to reconnect with Kira quickly turns into a sleuthing mission aimed squarely at discrediting Felix’s new ties. Cosima steps up with Donnie to further investigate the Neolutionist fertility research center. While Donnie bumps into an all too familiar face, Cosima makes a shocking discovery that leads her into a dangerous encounter.- 45min
The Scandal of Altruism
episode S4.E6 may 2016When Cosima admits doubts about finding a cure in time to save her life, Sarah makes a lone decision that exposes Kendall to those she’s spent years hiding from. Meanwhile, Art and Felix team up to protect naïve clone, Krystal Godderitch, from herself.- 45min
The Antisocialism of Sex
episode S4.E7 may 2016Sarah regresses back to old habits while struggling to cope with the consequences of her decisions — reconnecting with Beth on a dark night of the soul. Back at the lab, Cosima, haunted by vicious memories and news of Delphine, attempts a dangerous Hail Mary to find a cure. At the Hendrixes, Alison is more determined than ever to create normalcy for her kids. As she forges ahead with a birthday party, Donnie is caught in the Neolution crosshairs.- 45min
The Redesign of Natural Objects
episode S4.E8 june 2016As Alison is terrified by Neolution threats made against Donnie, Sarah and Mrs. S question her loyalty to her sisters. While Sarah is distracted, Siobhan sneaks out to seek vengeance. Meanwhile, Cosima and Susan Duncan work together in a final attempt to discover a cure.- 45min
The Mitigation of Competition
episode S4.E9 june 2016With Susan Duncan deposed, Sarah finds herself in the same position as Rachel — under the heel of a new HBIC — causing the archenemies to come together for the greater good. Cosima and Susan butt heads on the ethical implications of human experiments. Meanwhile, when the Hendrixes' legal counsel, Adele, further investigates Donnie’s case, she begins to suspect Felix is keeping deep secrets. Helena’s arrival forces Felix to make a difficult decision.- 45min
From Dancing Mice to Psychopaths
episode S4.E10 june 2016When communication with Cosima is cut off and Neolution appears to be within striking distance, Sarah’s alliance with Rachel goes out the window. Sarah lures a high-level Neolutionist into a trap, and sets out to bring down Neolution once and for all.- 45min
The Few Who Dare
episode S5.E1 june 2017As the fifth and final season opens, Sarah is deeply wounded and struggling to stay alive on the Island. Driven deep into its forest by Neolutionists and worse, she strives to make it far enough to rescue Cosima. Meanwhile, a recovering Cosima reunites with Delphine, but there’s way more going on this Island than Cosima imagined and Delphine can’t give her all the answers she needs. What is clear is that Rachel is now firmly in charge at the right-hand of the 170-year-old founder of Neolution, PT Westmorland.- 45min
Clutch of Greed
episode S5.E2 june 2017Captured by Neolution Sarah receives a damning ultimatum from Rachel: come into the fold, or lose your family. Her decision causes a clash with Kira who begins exploring her own maturity. Meanwhile, Ferdinand struggles to get a handle on Rachel’s new velvet glove mandate in pursuit of the clones. With Neolutionists and Ferdinand watching their every move, Felix brings an old ally into the mix to help his family get Kira to safety. On the Island, Cosima struggles to comprehend the reality of the Neolution myth made real.- 45min
Beneath Her Heart
episode S5.E3 june 2017Stuck on the sidelines with Neolutionists crawling all over her home, Alison seeks to return to her community center, but Bailey Downs has moved on from her. As she flounders to take back some semblance of control, the ghost of friendships’ past rears its handsome head. Art and his new partner show up at the Hendrix residence to continue their search for Helena, forcing Art to make a difficult moral judgement.- 45min
Let the Children and Childbearers Toil
episode S5.E4 july 2017Following up on intel from a mysterious source, Mrs. S heads on the road with Sarah to investigate a lead on a Neolution defector. Meanwhile, an unexpected reunion takes place on the island, while Cosima's research leads her to a terrible discovery.- 45min
Ease for Idle Millionaires
episode S5.E5 july 2017While Sarah and Kira spend some well-needed bonding time at home, secrets are unlocked about Kira's special gifts that are surprisingly linked to the island's creature. Meanwhile, Cosima joins Delphine at the mansion for a twisted family dinner.- 45min
Manacled Slim Wrists
episode S5.E6 july 2017Cosima is forced into an alliance with Susan Duncan when an old enemy returns to the island, accelerating P.T. Westmorland's sinister agenda. Meanwhile, Krystal stumbles onto a vital clue to the Neolution endgame.- 45min
Gag or Throttle
episode S5.E7 july 2017As P.T. Westmorland demands a more aggressive approach with Kira, Rachel discovers a dark secret that makes her question her place within Neolution. Sarah fights to save her daughter.- 45min
Guillotines Decide
episode S5.E8 july 2017The sisters take a night off to celebrate Felix's art opening. Wounded and desperate, Rachel reunites with an old ally, but their plans for revenge on Neolution put clone club in the line of fire.- 45min
One Fettered Slave
episode S5.E9 august 2017As Sarah reels from a painful loss, she's dealt another blow: Helena has been kidnapped. The sisters band together in a race against time, determined to find Helena before an unmasked and unhinged John Mathieson lays hands on her babies.- 45min
To Right the Wrongs of Many
episode S5.E10 august 2017In the series finale, Helena prepares to deliver in the basement of Old Dyad while Sarah and Art fight to protect her from Neolution.- 45min
- Nature Under Constraint and Vexed
- Governed by Sound Reason and True Religion
- Mingling Its Own Nature with It
- Governed as It Were by Chance
- Ipsa Scientia Potestas Est
- To Hound Nature in Her Wanderings
- Things Which Have Never Yet Been Done
- By Means Which Have Never Yet Been Tried
- The Weight of This Combination
- Transitory Sacrifices of Crisis
- Formalized, Complex, and Costly
- Newer Elements of Our Defense
- Scarred by Many Past Frustrations
- Certain Agony of the Battlefield
- Community of Dreadful Fear and Hate
- Ruthless in Purpose, and Insidious in Method
- Insolvent Phantom of Tomorrow
- History Yet to Be Written
- The Stigmata of Progress
- From Instinct to Rational Control
- Human Raw Material
- The Scandal of Altruism
- The Antisocialism of Sex
- The Redesign of Natural Objects
- The Mitigation of Competition
- From Dancing Mice to Psychopaths
- The Few Who Dare
- Clutch of Greed
- Beneath Her Heart
- Let the Children and Childbearers Toil
- Ease for Idle Millionaires
- Manacled Slim Wrists
- Gag or Throttle
- Guillotines Decide
- One Fettered Slave
- To Right the Wrongs of Many
Best moments10
- Leda and Castor are both on the hunt for original clone DNA. On-the-lam, Mark and Gracie pursue new leads to find the samples that might set them free, while Art and Sarah reunite to track them down. Meanwhile, Cosima and Scott try to learn more about Castor’s biology and Alison’s new money-making venture is going gangbusters. A shocking revelation about the Castor-Leda connection leaves the sisters reeling, just before Sarah witnesses a deadly Prolethean-Castor face-off.
- 45min
- Mark is taken down in a Prolethean shoot-out and Sarah must step in to help. But as Sarah gathers intel that puts her on the trail of the original Castor DNA, a familiar foe is not far behind. While Helena continues to toil in a faraway military compound, it is ultimately Sarah’s fate that will hang in the balance as she tries to save her sister. Meanwhile, Gracie is cast out from the Prolethean fold, and Alison and Donnie come face-to-face with unhappy drug lord, Jason Kellerman.
- 45min
- Cosima is forced into an alliance with Susan Duncan when an old enemy returns to the island, accelerating P.T. Westmorland's sinister agenda. Meanwhile, Krystal stumbles onto a vital clue to the Neolution endgame.
- 45min
- The war with Dyad is all but lost when Rachel’s latest ploy forces a broken Sarah to concede. The Clone Club springs into action, uniting in a reckless gambit to save Sarah. As they fight to gain their freedom, Sarah encounters a new ally and uncovers a terrifying new dimension to the conspiracy.
- 45min
- As Sarah reels from a painful loss, she's dealt another blow: Helena has been kidnapped. The sisters band together in a race against time, determined to find Helena before an unmasked and unhinged John Mathieson lays hands on her babies.
- 45min
- Castor pursues the Leda clones for original tissue samples. Helena, who is pregnant and imprisoned, is examined by a mysterious new villain. The Castor boys are also out to play, toying with a frightened young woman, Patty, in a sexy switcheroo that ultimately sets Sarah – and Art – hot on the Castor trail. But it’s not all fun and games for the Castor boys, as Sarah gleans they may have a mysterious defect that puts their lives in peril.
- 45min
- As P.T. Westmorland demands a more aggressive approach with Kira, Rachel discovers a dark secret that makes her question her place within Neolution. Sarah fights to save her daughter.
- 45min
- With Susan Duncan deposed, Sarah finds herself in the same position as Rachel — under the heel of a new HBIC — causing the archenemies to come together for the greater good. Cosima and Susan butt heads on the ethical implications of human experiments. Meanwhile, when the Hendrixes' legal counsel, Adele, further investigates Donnie’s case, she begins to suspect Felix is keeping deep secrets. Helena’s arrival forces Felix to make a difficult decision.
- 45min
- Sarah pursues the missing Helena who is held in a faraway compound. Sarah must use her wiles – and acting chops – to deter a Topside investigator who threatens the Leda sisters’ lives. Meanwhile, Cosima appears to be rebounding from her illness, while Alison and Donnie face newfound financial woes. But when the menace of Castor rears its head once more, Sarah and her entire family must come together to survive.
- 45min
- As Clone Club races towards the truth, Castor and Topside force Sarah to make uneasy alliances. Meanwhile, Kendall may be the key to stop Castor; the sisters appear to be thwarting their most dangerous foe.
- 45min
- Formalized, Complex, and Costly
- Newer Elements of Our Defense
- Manacled Slim Wrists
- By Means Which Have Never Yet Been Tried
- One Fettered Slave
- Transitory Sacrifices of Crisis
- Gag or Throttle
- The Mitigation of Competition
- The Weight of This Combination
- History Yet to Be Written