(written from a Production point of view)
Maryesther Denver (10 May 1918 – 3 June 1980; age 62) was an actress who played one of the three illusory witches in the Star Trek: The Original Series episode "Catspaw". She filmed her scene on Wednesday 3 May 1967 at Desilu Stage 10.
Denver was born as Mary Esther Wood in Iowa.
Among her resume are films such as Born to Be Loved (1959, with Anthony Jochim), The Interns (1962), Billy Wilder's The Fortune Cookie (1966, with Robert DoQui and John Anderson), Wicked, Wicked (1973, with Ian Abercrombie), Nightmare (1974), Strange Homecoming (1974, with Gerrit Graham), and guest appearances in television series such as Ben Casey (1964), The Girl from U.N.C.L.E. (1966, with Charles Dierkop), and Bewitched (1971).
Denver died on 3 June 1980 in Hollywood, California. She was 62 years old.