Real world article
(written from a production point of view)
Kay Elliot (14 May 1929 – 3 December 1982; age 53) was the actress who played the android replicas of Stella Mudd in the Star Trek: The Original Series second season episode "I, Mudd". She filmed her scenes on Thursday 17 August 1967 at Desilu Stage 10.
In that same year, Elliot appeared in episodes of The Man from U.N.C.L.E. and Gomer Pyle, U.S.M.C. She was later seen in multiple episodes of Bewitched. Her only known film credits are The Severed Arm (1973, with John Crawford and Paul Carr), and Gas Pump Girls (1979)
Elliot died on 3 December 1982. Her final television appearance was in a 1980 episode of The Righteous Apples which also featured René Auberjonois and Fran Bennett.