Elizabeth Olivet
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 less frequent 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, 3 episodes of Law and Order: Special Victims Unit, 1 episode of Law & Order: Criminal Intent, & 1 episode of Law & Order: Trial by Jury)
Read more about Elizabeth Olivet: Character Biography, Appearance Outside of Law & Order