(written from a Production point of view)
Richard DeHart "Dick" Crockett (27 February 1915 – 25 January 1979; age 63) was a stunt coordinator and stuntman on who worked on Star Trek: The Original Series. He was William Shatner's stunt double in the second pilot "Where No Man Has Gone Before".
Crockett filmed his scenes for "Where No Man Has Gone Before" on Wednesday 28 July 1965 at Desilu Culver Stage 16. He filmed his scenes for "The Trouble with Tribbles" on Wednesday 30 August 1967 and his scenes for "The Gamesters of Triskelion" on Monday 23 October 1967, both at Desilu Stage 10.
Among his other television guest appearances was a 1966 episode of The Man From U.N.C.L.E. ("The Off-Broadway Affair"). Crockett's last movie job was as stunt coordinator for the movie 10. He died during production – the film is dedicated to him.