| Person | Type | Job | Role(s) |
|---|---|---|---|
 David Case | Crew | Writing | Novel |
Denys N. Coop | Crew | Camera | Director of Photography |
Douglas Gamley | Crew | Sound | Original Music Composer |
Gustave M. Berne | Crew | Production | Executive Producer |
John Harris | Crew | Camera | Camera Operator |
Lindsey C. Vickers | Crew | Directing | Second Assistant Director |
Max Rosenberg | Crew | Production | Producer |
 Milton Subotsky | Crew | Production | Producer |
Paul Rabiger | Crew | Costume & Make-Up | Makeup Artist |
Peter Tanner | Crew | Editing | Editor |
Roger Marshall | Crew | Writing | Screenplay |
Ronnie Curtis | Crew | Production | Casting |
 Roy Ward Baker | Crew | Directing | Director |
Teresa Bolland | Crew | Production | Production Manager |
Tony Curtis | Crew | Art | Art Direction |
Betty Harley | Crew | Directing | Continuity |
Derek Whitehurst | Crew | Directing | Assistant Director |
David Wynn-Jones | Crew | Camera | Focus Puller |
 David Alan Barclay | Cast | Actor | |
Elsa Smith | Cast | ||
Frank Forsyth | Cast | Actor | Servant |
 Geoffrey Whitehead | Cast | Actor | Silas / Woodsman |
 Gillian Lind | Cast | Actress | Aunt Edith |
Gloria Maley | Cast | Actress | (as Gloria Walker) |
 Guy Rolfe | Cast | Actor | Maitland |
 Herbert Lom | Cast | Actor | Henry Fengriffen |
 Ian Ogilvy | Cast | Actor | Charles Fengriffen |
Janet Key | Cast | Actress | Bridget |
 John Sharp | Cast | Actor | Henry's Friend |
John Stamp | Cast | ||
 Larry Taylor | Cast | Actor | Bearded Drunk |
 Lloyd Lamble | Cast | Actor | Sir John Westcliff |
 Norman Mitchell | Cast | Actor | Constable |
 Patrick Magee | Cast | Actor | Dr. Whittle |
 Peter Cushing | Cast | Actor | Dr. Pope |
 Rocky Taylor | Cast | Actor | |
 Rosalie Crutchley | Cast | Actress | Mrs. Luke |
Sally Harrison | Cast | Actress | Sarah |
 Stephanie Beacham | Cast | Actress | Catherine Fengriffen |
Sylvester Morand | Cast | Actor | |
 Daniel Johns | Cast | (as Daniel Jones) | |
Blake Butler | Cast | Actor | |
Vic Chapman | Cast | ||
Beth Owen | Cast | Actress | |
Kay Adrian | Cast | ||
Hilary Martyn | Cast | Actress | (as Hilary Martin) |
Drew Wood | Cast | ||
| Person | Type | Job | Role(s) |
