(written from a Production point of view)
Natalie Norwick (28 May 1923 – 20 December 2007; age 84) is the actress who played Martha Leighton on Star Trek: The Original Series, in the episode "The Conscience of the King". She filmed her scenes on Tuesday 13 September 1966 on Desilu Stage 10.
She is perhaps best known for playing Josette duPres Collins on the television series Dark Shadows from 1966 through 1967. She has also appeared in such series as Perry Mason, Have Gun - Will Travel, and Starsky & Hutch (with David Soul) and had roles in the films 23 Paces to Baker Street and Hidden Fear.