lighting cameraman / special effects director (48 episodes, 1975-1977)
electronics (48 episodes, 1975-1977)
special effects / special effects director / special effects designer / special effect designer (48 episodes, 1975-1977)
camera operator (24 episodes, 1975-1976)
lighting cameraman (24 episodes, 1975-1976)
camera operator (24 episodes, 1976-1977)
model maker (uncredited) (48 episodes, 1975-1977)