| Person | Type | Job | Role(s) |
|---|---|---|---|
 Albert Witherick | Crew | Art | Art Direction |
Anne Box | Crew | Costume & Make-Up | Hairstylist |
Basil Rayburn | Crew | Directing | Assistant Director |
Freddie Williamson | Crew | Costume & Make-Up | Makeup Artist |
George Stephenson | Crew | Sound | Sound Mixer |
 John Boulting | Crew | Production | Producer, Director |
John Jympson | Crew | Editing | Editor |
Mutz Greenbaum | Crew | Camera | Director of Photography |
Nigel Balchin | Crew | Writing | Novel, Screenplay |
Peter James | Crew | Art | Set Decoration |
 Roy Boulting | Crew | Directing | Director, Writer, Producer |
Gerry Anstiss | Crew | Camera | Assistant Camera |
Peter Allwork | Crew | Camera | Camera Operator |
Laurie Ridley | Crew | Camera | Still Photographer |
Philip Shipway | Crew | Production | Production Manager |
Alan Evans | Crew | Crew | Scenic Artist |
 Andre Charisse | Cast | Actor | Heller |
 Anthony Booth | Cast | Actor | Parkin |
 Basil Dignam | Cast | Actor | Dr Childs |
 Brian Oulton | Cast | Actor | Director |
Bruce Wightman | Cast | Actor | Phil the Barman |
 Donald Pleasence | Cast | Actor | Parsons, alias Bill Brown |
 Geoffrey Bayldon | Cast | Actor | Rosson |
 Ian Bannen | Cast | Actor | Alan Andrews |
 Ian Wilson | Cast | Actor | Pin Table Man |
 John Payne | Cast | Actor | Iverson |
 Kenneth Griffith | Cast | Actor | Dr Shole |
 Margaret Lacey | Cast | Actress | Prince's Secretary |
 Murray Melvin | Cast | Actor | Teddy Boy |
 Peter Cushing | Cast | Actor | Professor Sewell |
 Raymond Huntley | Cast | Actor | Sir George Gatting the Minister of Defense |
Robert Bruce | Cast | Actor | Levers |
 Sam Kydd | Cast | Actor | Slater |
 Spike Milligan | Cast | Actor | Arthur, lab orderly |
 Thorley Walters | Cast | Actor | Special Agent Prince |
 Tony Britton | Cast | Actor | Dr. Robert Marriott |
 Virginia Maskell | Cast | Actress | Dr. Lucy Byrne |
| Person | Type | Job | Role(s) |
