Dr. Elizabeth Olivet is a fictional character on the TV crime drama Law & Order. She was portrayed by Carolyn McCormick from 1991 to 1997 and in 1999. The character was revived in 2002, but made far fewer appearances on the show.

Olivet is one of only five characters who have appeared in all four of the Law & Order series set in New York City. The other four are Lennie Briscoe, Ed Green, Arthur Branch, and Elizabeth Rodgers. Olivet and police psychiatrist Emil Skoda are the only Law & Order characters to make crossover appearances on New York Undercover, another series produced by Dick Wolf. She has appeared in 92 episodes of the franchise (87 episodes of Law & Order, 4 episodes of Law & Order: Special Victims Unit, 1 episode of Law & Order: Criminal Intent and 1 episode of Law & Order: Trial by Jury).

Character biography

Olivet is introduced as a clinical psychologist who performs consultation work for the 27th Detective Squad and District Attorney's office in Manhattan. She is usually tasked with interviewing murder suspects to assess whether or not they are legally sane, and to assist the DA's office in forming psychological profiles.