(written from a Production point of view)
Kenneth Washington (born 19 October 1946; age 71) is the actor who played Engineer John B. Watkins in the Star Trek: The Original Series episode "That Which Survives". He filmed his scene on Friday 27 September 1968 at Desilu Stage 9.
He is perhaps best known for playing Sgt. Richard Baker during the final season of the television series Hogan's Heroes. He also made several appearances as Officer Miller on the police drama Adam-12.
His film credits include 1969's Changes (with Teri Garr) and the TV movies Cry Rape (directed by Corey Allen and featuring Paul Comi, George Murdock, Whit Bissell, Willard Sage, and Phillip Pine), Money on the Side (with Christopher Lloyd and Gary Graham), and J. Edgar Hoover (with Louise Fletcher, David Ogden Stiers, and Paul Kent).