Colonel Glenn Ross
Roy Thinnes
John Kane
Ian Hendry
Captain Ross
George Mikell
Doctor Hassler
Herbert Lom
Data Analyst
Nicholas Courtney
Mallory
Peter van Dissel
Jason Webb
Patrick Wymark
Sharon Ross
Lynn Loring
Lisa Hartmann
Loni von Friedl
Paulo Landi
Franco De Rosa
Mark Neuman
George Sewell
David Poulson
Ed Bishop
Dr. Pontini
Philip Madoc
Psychiatrist
Vladek Sheybal
Producer
Gerry Anderson
Story
Screenplay
Director
Robert Parrish
Original Music Composer
Barry Gray
Sylvia Anderson
Donald James
Art Direction
Bob Bell
Director of Photography
John Read
Associate Producer
Ernest Holding
Editor
Len Walter
Production Manager
Brian Burgess
Visual Effects Director
Derek Meddings
Assistant Director
John O'Connor
Assistant Art Director
Chris Burke
Continuity
Joan Davis
Hairstylist
Barbara Ritchie
Sound Recordist
Ken Rawkins
Wardrobe Master
Gloria Barnes
Location Manager
Ivo Nightingale
Assistant Editor
Margaret Miller
Makeup Artist
Geoffrey Rodway
Philip Bawcombe
Ted Karnon
Sound Editor
John Peverill
Camera Operator
Godfrey A. Godar
Wardrobe Supervisor
Elsa Fennell
Production Secretary
Julie Leighton-White