In film, Washington was uncredited in 1956's
The Birds and the Bees. Washington started his TV career in 1968 in the American family drama series
Daktari that aired on
CBS. He had a recurring role in
Adam-12 as Officer Miller. He also appeared in the
Star Trek episode "
That Which Survives" as the ill-fated engineer John B. Watkins. In 1970, Washington was cast as a series regular on ''Hogan's Heroes,
replacing actor Ivan Dixon. He had several guest-starring roles throughout the 1970s. In 1989, Washington guest-starred on A Different World''. == Personal life and death ==