Commander John Koenig
Martin Landau
Doctor Helena Russell
Barbara Bain
Professor Victor Bergman
Barry Morse
Captain Alan Carter
Nick Tate
Arra
Margaret Leighton
Paul Morrow
Prentis Hancock
Sandra Benes
Zienia Merton
Executive Producer
Gerry Anderson
Director
Ray Austin
Producer
Sylvia Anderson
Lee H. Katzin
Screenplay
Anthony Terpiloff
David Weir
Special Effects
Brian Johnson