John O'Brien is an actor.
John O'Brien appears in: Grey's Anatomy (2005), Pretty Little Liars (2010) and Godzilla (2014), among others.
Known for
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- Episodes: 163
A drama centered on the personal and professional lives of five surgical interns and their supervisors.
Four friends band together against an anonymous foe who threatens to reveal their darkest secrets, while also investigating the disappearance of their best friend.
Not protagonic
The world is beset by the appearance of monstrous creatures, but one of them may be the only one who can save humanity.
Godzilla
movie United States 2014
Inside the lives of staffers in the West Wing of the White House.
Follows the personal and professional lives of six twenty to thirty year-old friends living in the Manhattan borough of New York City.
A drama about one of New York's most prestigious ad agencies at the beginning of the 1960s, focusing on one of the firm's most mysterious but extremely talented ad executives, Donald Draper.
Two F.B.I. Agents, Fox Mulder the believer and Dana Scully the skeptic, investigate the strange and unexplained, while hidden forces work to impede their efforts.
A scrappy, feisty, fiercely loyal Chicago family makes no apologies.
A suspended lawyer is forced to enroll in a community college with an eccentric staff and student body.
Boston Legal is a spin-off of the long-running David E. Kelley series The Practice (1997), following the exploits of former Practice character Alan Shore (James Spader) at the legal firm of Crane, Poole, and Schmidt.
A gifted young teen tries to survive life with his dimwitted, dysfunctional family.
When a computer geek inadvertently downloads critical government secrets into his brain, both the CIA and the NSA assign an agent to protect him and exploit his newfound skills.
A single-camera comedy featuring three friends who work together as telemarketers from 9 to 5, and live together from 5 to 9.
A group of criminal profilers who work for the FBI as members of its Behavioral Analysis Unit (BAU) using behavioral analysis and profiling to help investigate crimes and find the suspect known as the unsub.
Explores the high-pressure experiences of the first responders who are thrust into the most frightening, shocking, and heart-stopping situations.
A look at the lives of employees at a big box store.
Follows the Major Case Response Team (MCRT) from the Naval Criminal Investigative Service (NCIS), as they get to the bottom of criminal cases connected to Navy and Marine Corps personnel.
We follow the exploits and cases of defense attorneys of a Boston law firm. Bobby Donnell is the senior defense attorney and founder of the firm.
In booming 1932 Los Angeles, a down-and-out defense attorney takes on the case of a lifetime.
Secrets and truths unfold through the lives of female friends in one suburban neighborhood after the mysterious suicide of a neighbor.
A vapid aspiring model killed in a car crash gets brought back to life as an intelligent, overweight lawyer, hoping to find the meaning of inner beauty.
A young Ob/Gyn doctor balances her personal and professional life, surrounded by quirky co-workers in a small office.
Gay lawyer Will and straight interior designer Grace share a New York City apartment. Their best friends are gleeful and proud gay Jack and charismatic, filthy-rich, amoral socialite Karen.
Suburban mom Allison DuBois attempts to balance family life with solving mysteries using her special gift. The dead send her visions of their deaths or other crimes while she sleeps.
A hedonistic jingle writer's free-wheeling life comes to an abrupt halt when his brother and 10-year-old nephew move into his beach-front house.
Aspiring singer Tori Vega navigates life while attending a performing arts high school called Hollywood Arts.
Follows the personal and professional life of lawyer Ally.
Smart but wholesome Betty embraces her unique appearance and independent attitude in the cutthroat world of New York fashion.
Sabrina is a normal teenager, except for one thing - she's a witch. Guided by her aunts, who come from a long line of witches, and Salem, a mischievous warlock doing penance as a cat, Sabrina continually struggles to harness her powers.