Sally Kellerman

Actor (Dr. Elizabeth Dehner) — The Original Series

American actor (1937–2022) who played psychiatrist Dr. Elizabeth Dehner in the second Star Trek pilot, Where No Man Has Gone Before, and later earned an Academy Award nomination for the film MASH.

Sally Kellerman was an American actor and singer, born in 1937, who appears in Star Trek's second pilot, Where No Man Has Gone Before, filmed in 1965 and broadcast in September 1966.
She plays Dr. Elizabeth Dehner, a psychiatrist assigned to the Enterprise who is changed by the galactic barrier along with Gary Mitchell, played by Gary Lockwood. Dehner slowly gains the same godlike powers and finally turns them against Mitchell to give Kirk his chance, at the cost of her own life.
Kellerman went on to her best-known role as Major Margaret Houlihan in Robert Altman's 1970 film MASH, for which she was nominated for an Academy Award, and later appeared in Brewster McCloud and Back to School. She died in 2022.