John (voice)
Shane Rimmer
Julie (voice)
Sylvia Anderson
The Investigator (voice)
Peter Dyneley
Stavros Karanti
Charles Thake
Christoph
Peter Borg
Creator
Gerry Anderson
Producer
Director
Story
Editor
David Lane
Screenplay
Music
Vic Elmes
Cinematography
Harry Oakes
Modeling
Reg Hill
John Cameron
Len Walter