chief electrician (10 episodes, 1955-1956)
chief electrician (8 episodes, 1956-1957)
chief electrician (2 episodes, 1957-1958)
chief electrician (2 episodes, 1957)
underwater photography (1 episode, 1955)
lighting effects (1 episode, 1955)
camera operator (1 episode, 1958)
key grip (unknown episodes)