(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".
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.