June Challis (6 episodes)

Robert Duncan (6 episodes)

Professor Ramsay (6 episodes)

Peter Barry (6 episodes)

Brian Barclay (6 episodes)

Diana Winters (6 episodes)

Ian Murray (6 episodes)

Sir John Chandos (6 episodes)

Captain Wade (6 episodes)

Keeler (6 episodes)

Dr. Baranov (6 episodes)

Dr. Rickover (6 episodes)

Haziz (6 episodes)

Paul Bazaine (6 episodes)

President McCone (6 episodes)

Premier Yeremenko (6 episodes)

Production Design (6 episodes)

Producer (6 episodes)