Dr. Gillian Foster is a fictional character portrayed by Kelli Williams in the TV series Lie to Me.
In the first episode they appeared in, titled Pilot (season 1), they were 38 years old.
They appear in all 48 aired episodes and have accumulated 26976 positive votes.
The character of Dr. Gillian Foster is mainly associated with Dr. Cal Lightman, Eli Loker and Ria Torres.
Episodes48
Pilot
episode S1.E1 january 2009Dr. Lightman and Dr. Foster search for the truth in cases involving a devoutly religious high school student accused of killing a teacher, and a congressman accused of having an affair.
Moral Waiver
episode S1.E2 january 2009Lightman's team investigates cases involving a staff sergeant accused of raping a soldier, and a star college basketball player accused of taking a bribe from a wealthy booster.
A Perfect Score
episode S1.E3 february 2009An investigation into the death of a judge's daughter leads Dr. Lightman to the girl's prep school, while Dr. Foster investigates a NASA pilot who crashed on a test flight.
Love Always
episode S1.E4 february 2009The Lie to Me gang attends a high profile wedding where the father of the groom, a Korean ambassador, has been getting death threats.
Unchained
episode S1.E5 march 2009The gang tackles 2 cases -- the suspicious death of a firefighter and the parole of a former gang leader.
Do No Harm
episode S1.E6 march 2009Dr. Lightman and Dr. Foster tackle the case of a missing girl. Torres and Loker focus on whether a North Ugandan woman told the truth in her autobiography about the violence in her country.
The Best Policy
episode S1.E7 march 2009Dr. Lightman and Torres investigate a drug company affiliated with one of Dr. Lightman's college friends. Dr. Foster and Loker help negotiate with Yemen for the release of two young Americans.
Depraved Heart
episode S1.E8 april 2009Dr. Lightman and Torres investigate a spate of suicides in young Indian women. We discover that a suicide has helped shape Dr. Lightman. Meanwhile, Dr. Foster and Loker are at odds while they investigate a case of suspected SEC fraud.
Life Is Priceless
episode S1.E9 april 2009Dr. Lightman and Dr. Foster help FEMA run a rescue operation on a collapsed construction site. Torres and Loker talk to the girlfriend of an internet billionaire.
The Better Half
episode S1.E10 april 2009Dr. Lightman's ex-wife shows up, and asks him to tackle an arson case. Torres works the case of a drive by shooting that killed a member of a rapper's entourage.
Undercover
episode S1.E11 april 2009Dr. Lightman's investigation into a questionable police shooting could jeopardize a terrorism investigation, while Eli's lie in an earlier case could hurt the firm. Meanwhile, is Dr. Foster's husband having an affair as Lightman suspects?
Blinded
episode S1.E12 may 2009On behalf of the FBI, the Lightman Group works the case of a copycat serial rapist who blinds his victims. Lightman faces off against the original rapist, a master liar.
Sacrifice
episode S1.E13 may 2009The whole Lightman group solves the case of terrorist bombings in the D.C. area. Dr. Foster has escalating problems with her marriage. Torres's boyfriend in the Secret Service is in danger.
The Core of It
episode S2.E1 september 2009Dr. Lightman tries to figure out whether a woman with multiple personalities witnessed a murder, while Torres interrogates a judge who is being considered for a Supreme Court appointment.
Truth or Consequences
episode S2.E2 october 2009Zoe gets Dr. Lightman's help in a case involving an African-American college athlete accused of statutory rape, and Dr. Foster tries to help a sympathetic mother while investigating a religious leader for the IRS.
Control Factor
episode S2.E3 october 2009While on vacation in Mexico, Lightman and Emily become involved in the case of a missing American woman. Back home, Foster investigates tainted blood in D.C.-area hospitals with Lightman's rival, Jack Rader.
Honey
episode S2.E4 october 2009A man holds Dr. Lightman hostage, claiming that he did not kill his wife and demanding that The Lightman Group help him find the killer.
Grievous Bodily Harm
episode S2.E5 october 2009An old friend from Lightman's past comes for help, and gets Lightman involved with a dangerous man being investigated by the FBI. Meanwhile, the rest of the team tries to find the high schooler behind a dangerous and threatening video.
Lack of Candor
episode S2.E6 november 2009Agent Reynolds refuses to testify in an undercover case from his past because it may reveal that he killed a man during the operation, but Dr. Lightman tries to come to his defense and keep him out of harm's way.
Black Friday
episode S2.E7 november 2009Dr. Lightman and Dr. Foster help an angry teen find his birth parents, while Eli and Ria try to figure out who was responsible for a fatal "Black Friday" trampling incident at an electronics store.
Secret Santa
episode S2.E8 november 2009During the holiday season, Lightman goes to Afghanistan to assist in a mission to rescue two captured marines, and his only source of intelligence is an American expatriate.
Fold Equity
episode S2.E9 november 2009Dr. Lightman, Dr. Foster, and agent Reynolds go to Las Vegas to investigate the disappearance of an unlikely finalist in a poker championship, and none of his fellow finalists are above suspicion.
Tractor Man
episode S2.E10 december 2009A frustrated farmer with a bomb drives his tractor to Washington and demands to talk to the president, and Cal is brought in to find out who's really calling the shots.
Beat the Devil
episode S2.E11 june 2010Dr. Lightman is convinced that one of his former protégé's students is a sociopath connected to a woman's disappearance, but everyone else is skeptical. Meanwhile, Torres and Loker help a high school teacher who thinks he saw an UFO.
Sweet Sixteen
episode S2.E12 june 2010An Irish terrorist comes to Dr. Lightman to find out who killed his wife and daughter seven years ago, which reveals secrets about Lightman's relationship with Dr. Foster and his past job working counter-terrorism for the government.
The Whole Truth
episode S2.E13 june 2010Cal agrees to testify for the prosecution until he learns that his ex-wife is representing the innocent defendant: a beautiful younger woman accused of killing her much older, and extremely wealthy, husband.
React to Contact
episode S2.E14 june 2010A decorated war hero who is suffering from Post-Traumatic Stress Disorder claims that someone is trying to kill him, and Dr. Lightman is brought in to investigate.
Teacher and Pupils
episode S2.E15 july 2010Dr. Lightman allows a wealthy client to shadow him as he tries to find out who critically wounded a Washington D.C. police officer in an apartment building taken over by drug dealers.
Delinquent
episode S2.E16 july 2010Dr. Lightman helps Torres's half-sister, who is serving time in a juvenile facility, after an fellow inmate who asks for her help is killed. However, Torres is not convinced that her sister can be trusted.
Bullet Bump
episode S2.E17 july 2010The Lightman Group discovers that a governor's staffer who was killed during a rally right before the election may have been the target all along to protect a cover-up, and Clara might be lying to protect somebody on the inside.
Headlock
episode S2.E18 august 2010The FBI investigates the murder of an illegal underground fighter, but Dr. Lightman tries to conceal his relationship to the event. Meanwhile Dr. Foster discovers that her new boyfriend may have a big secret.
Pied Piper
episode S2.E19 august 2010The future of The Lightman Group could be in jeopardy when it appears that an executed prisoner that Dr. Lightman helped convict may have been innocent of the crime.
Exposed
episode S2.E20 august 2010After Dr. Foster's boyfriend is kidnapped, Dr. Lightman discovers that he is an undercover DEA agent who may have killed the father of his kidnapper in the line of duty.
Darkness and Light
episode S2.E21 august 2010The Lightman Group helps a father find his daughter, who left home and became a porn actress, but Cal soon suspects that he's keeping something from him. Meanwhile, Eli and Ria compete for a promotion.
Black and White
episode S2.E22 september 2010Dr. Lightman's journalist friend is murdered while investigating political corruption, and agent Reynolds is critically shot during the ensuing investigation.
In the Red
episode S3.E1 october 2010Cal joins a bank robbery crew in order to sabotage the heist from the inside, but he soon discovers that one of the men on the job has a very personal motive.
The Royal We
episode S3.E2 october 2010While Cal suffers writer's block and the office suffers from personnel issues, the Lightman Group investigates charges of abuse and molestation at a teen beauty pageant.
Dirty Loyal
episode S3.E3 october 2010The Lightman Group is hired to examine police profiling techniques in the wake of an incident involving Wallowski, and Internal Affairs attempts to leverage Lightman's relationship with Wallowski to get him to incriminate her.
Double Blind
episode S3.E4 october 2010While vetting an art museum staff for security leaks prior to a major exhibition, Lightman meets a beautiful woman who entangles him in a game of cat-and-mouse.
The Canary's Song
episode S3.E5 november 2010While Dr. Lightman investigates who was responsible for a deadly coal mine explosion, the FBI questions Dr. Foster about Dr. Lightman's gambling associates.
Beyond Belief
episode S3.E6 november 2010Dr. Lightman goes all-out to expose a self-help cult leader after one of its members tries to commit suicide but quickly returns to the fold despite the protestations of her daughter.
Veronica
episode S3.E7 november 2010Dr. Lightman helps a woman with early-onset Alzheimer's Disease uncover a traumatic memory from her past, and in the process discovers that there may be an "Angel of Death" working in her health care facility.
Smoked
episode S3.E8 november 2010As a favor to detective Wallowski, Dr. Lightman investigates a fatal armed robbery of a barbecue restaurant owned by a man dying of cancer.
Funhouse
episode S3.E9 january 2011Dr. Lightman tries to help a man in a mental health facility diagnosed with schizophrenia, which causes him to go down a dangerous path that may challenge his own sanity.
Rebound
episode S3.E10 january 2011Dr. Lightman matches wits with a sociopath who is part of a con game involving himself and a lawyer, who both prey on several newly-divorced women for money.
Saved
episode S3.E11 january 2011Lightman is hired to investigate three high school students responsible for a fatal traffic accident, which takes a turn for the better when he finds the heroic paramedic who was first on the scene.
Gone
episode S3.E12 january 2011A baby goes missing, and her mother accuses an unknown person of the kidnapping. When Lightman sees she's hiding something, he digs deeper and discovers a family in need of repair.
Killer App
episode S3.E13 january 2011Dr. Foster works for a co-creator of a social network application who suspects one of her partners is trying to oust her. However, the client soon turns up dead, and Lightman tries to prove that her partner is responsible.
- Pilot
- Moral Waiver
- A Perfect Score
- Love Always
- Unchained
- Do No Harm
- The Best Policy
- Depraved Heart
- Life Is Priceless
- The Better Half
- Undercover
- Blinded
- Sacrifice
- The Core of It
- Truth or Consequences
- Control Factor
- Honey
- Grievous Bodily Harm
- Lack of Candor
- Black Friday
- Secret Santa
- Fold Equity
- Tractor Man
- Beat the Devil
- Sweet Sixteen
- The Whole Truth
- React to Contact
- Teacher and Pupils
- Delinquent
- Bullet Bump
- Headlock
- Pied Piper
- Exposed
- Darkness and Light
- Black and White
- In the Red
- The Royal We
- Dirty Loyal
- Double Blind
- The Canary's Song
- Beyond Belief
- Veronica
- Smoked
- Funhouse
- Rebound
- Saved
- Gone
- Killer App
Best moments10
- The Lightman Group is hired to examine police profiling techniques in the wake of an incident involving Wallowski, and Internal Affairs attempts to leverage Lightman's relationship with Wallowski to get him to incriminate her.
- An Irish terrorist comes to Dr. Lightman to find out who killed his wife and daughter seven years ago, which reveals secrets about Lightman's relationship with Dr. Foster and his past job working counter-terrorism for the government.
- Dr. Foster works for a co-creator of a social network application who suspects one of her partners is trying to oust her. However, the client soon turns up dead, and Lightman tries to prove that her partner is responsible.
- While vetting an art museum staff for security leaks prior to a major exhibition, Lightman meets a beautiful woman who entangles him in a game of cat-and-mouse.
- Dr. Lightman helps Torres's half-sister, who is serving time in a juvenile facility, after an fellow inmate who asks for her help is killed. However, Torres is not convinced that her sister can be trusted.
- Agent Reynolds refuses to testify in an undercover case from his past because it may reveal that he killed a man during the operation, but Dr. Lightman tries to come to his defense and keep him out of harm's way.
- Lightman is hired to investigate three high school students responsible for a fatal traffic accident, which takes a turn for the better when he finds the heroic paramedic who was first on the scene.
- While Dr. Lightman investigates who was responsible for a deadly coal mine explosion, the FBI questions Dr. Foster about Dr. Lightman's gambling associates.
- Dr. Lightman and Dr. Foster tackle the case of a missing girl. Torres and Loker focus on whether a North Ugandan woman told the truth in her autobiography about the violence in her country.
- Zoe gets Dr. Lightman's help in a case involving an African-American college athlete accused of statutory rape, and Dr. Foster tries to help a sympathetic mother while investigating a religious leader for the IRS.
- Dirty Loyal
- Sweet Sixteen
- Killer App
- Double Blind
- Delinquent
- Lack of Candor
- Saved
- The Canary's Song
- Do No Harm
- Truth or Consequences