| Person | Type | Job | Role(s) |
|---|---|---|---|
 Allan James | Crew | Directing | First Assistant Director |
Douglas Gamley | Crew | Sound | Music |
George Blackler | Crew | Costume & Make-Up | Makeup Artist |
Gerry Humphreys | Crew | Sound | Sound Recordist |
Greg Morrison | Crew | Writing | Screenplay |
 Jim Clark | Crew | Directing | Director |
John Dark | Crew | Production | Associate Producer |
Ken Levison | Crew | Writing | Screenplay |
Max Rosenberg | Crew | Production | Producer |
 Milton Subotsky | Crew | Production | Producer |
Nigel Wooll | Crew | Directing | Second Assistant Director |
Pat Green | Crew | Production | Production Manager |
Peter Horrocks | Crew | Sound | Sound Editor |
Ray Parslow | Crew | Crew | Cinematography |
Rose Tobias Shaw | Crew | Production | Casting |
 Samuel Z. Arkoff | Crew | Production | Executive Producer |
Tony Curtis | Crew | Art | Art Direction |
Ken Coles | Crew | Camera | Camera Operator |
Michael Green | Crew | Directing | Third Assistant Director |
Clive Smith | Crew | Editing | Editor |
Helen Lennox | Crew | Costume & Make-Up | Hairdresser |
John Siddall | Crew | Art | Assistant Art Director |
Ian Smith | Crew | Camera | Clapper Loader |
Ruggero Salvadori | Crew | Production | Production Manager |
Dulcie Midwinter | Crew | Costume & Make-Up | Wardrobe Master |
Lorna Selwyn | Crew | Directing | Continuity |
Bill Waldron | Crew | Art | Construction Manager |
Roy Spencer | Crew | Crew | Special Effects |
Danny Daniel | Crew | Sound | Sound Recordist |
 Adrienne Corri | Cast | Actress | Faye |
 Barry Dennen | Cast | Actor | Gerry Blount |
 Basil Rathbone | Cast | Actor | Basil (archive footage) |
 Boris Karloff | Cast | Actor | (archive footage) |
 Catherine Willmer | Cast | Louise Peters | |
 Christopher Sandford | Cast | Actor | Reporter (uncredited) |
 David Jackson | Cast | Actor | Police Sergeant (uncredited) |
George Blackler | Cast | Actor | George the Make-Up Artist (uncredited) |
Jenny Lee Wright | Cast | Actress | Carol Clayton |
 John Garrie | Cast | Actor | Inspector Harper |
 Julie Crosthwaite | Cast | Actress | Ellen |
 Linda Hayden | Cast | Actress | Elizabeth Peters |
 Michael Craze | Cast | Actor | Reporter (uncredited) |
 Michael Parkinson | Cast | Actor | T.V. Interviewer |
 Natasha Pyne | Cast | Actress | Julia Wilson |
Pam Rose | Cast | Actress | Pretty Blonde (uncredited) |
 Patrick Jordan | Cast | Actor | Ship's Steward (uncredited) |
 Peter Cushing | Cast | Actor | Herbert Flay |
 Peter Halliday | Cast | Actor | Psychiatrist |
 Robert Cawdron | Cast | Actor | CID Inspector (uncredited) |
 Robert Quarry | Cast | Actor | Oliver Quayle |
 Vincent Price | Cast | Actor | Paul Toombes |
Earl Rhodes | Cast | Actor | Boy Fishing (uncredited) |
Hyma Beckley | Cast | Passenger on Quayside (uncredited) | |
Ellis Dayle | Cast | Alfred Peters (as Ellis Dale) | |
Reg Thomason | Cast | Actor | Hollywood Party Guest (uncredited) |
| Person | Type | Job | Role(s) |
