Antoinette Bower, a German-born British actress known for her roles in "Star Trek" and "The Twilight Zone," died on April 30 in Los Angeles. She was 93.

Her friend, Carlotta Glackin, confirmed Bower's passing to The Hollywood Reporter. Bower passed away in a senior retirement home in the Eagle Rock neighborhood of Los Angeles.

Bower was recognized for her role as Sylvia, a catlike alien seductress, in the 1967 "Star Trek" episode "Catspaw." She also starred in "The Twilight Zone" episode "Probe 7, Over and Out" in 1963, portraying a survivor named Eve Norda stranded on a deserted planet.

Over a career spanning 40 years, Bower amassed more than 100 screen credits. Her film roles included Dr. Alix Pardee in the 1972 horror-science fiction film "Superbeast," and she portrayed the wife of Leslie Nielsen and mother of Jamie Lee Curtis in the 1980 slasher film "Prom Night." She also appeared in the 1984 action thriller "The Evil That Men Do."

Among Bower's numerous film roles was Dr. Alix Pardee in the 1972 horror and science fiction movie Superbeast, for which she got top billing

On television, Bower had a recurring role as Fox Devlin in the Canadian drama "Neon Rider" for three seasons in the late 1980s and early 1990s. Her extensive television credits also include guest appearances on "Perry Mason," "The Big Valley," "Bonanza," "Mannix," "Columbo," "Mission: Impossible," "Kojak," and "Murder, She Wrote." She also appeared in the 1983 miniseries "The Thorn Birds."

Bower's Hollywood career took off after an uncredited role in Marlon Brando's Mutiny on the Bounty (1962)

Born Antoinette Jane Bower on September 30, 1932, in Baden-Baden, Germany, she was the daughter of a German mother and an English father. Before her acting career, she worked as a field language supervisor and welfare counselor with the United Nations’ International Refugee Organization in the late 1940s.

In 1953, Bower moved to Canada, where she worked for the Canadian Broadcasting Corp. as a public affairs worker. She began her acting career in the late 1950s.

Bower married pop artist James Gill in 1963; they later divorced. She also pursued interests in carpentry and cabinet-making, becoming a skilled carpenter who custom-built furniture.

William Shatner, a "Star Trek" co-star, sent his condolences via email upon learning of her death. Fans also paid tribute to Bower on social media.

Her friend, Carlotta Glackin, said William Shatner sent his condolences in an email upon learning of Bower's death; Bower pictured in 1982

Bower retired from acting in 1992.