Directed by
| Freddie Francis | ||
Writing Credits (in alphabetical order)
| Herman Cohen | ... | (screenplay) |
| Aben Kandel | ... | (screenplay) |
| Henry Seymour | ... | (novel) |
Cast (in credits order) complete, awaiting verification
| Jack Palance | ... | Neal Mottram | |
| Diana Dors | ... | Dolly Newman | |
| Julie Ege | ... | Helena | |
| Edith Evans | ... | Aunt Louise Nash | |
| Hugh Griffith | ... | Solicitor | |
| Trevor Howard | ... | Supt. Bellamy | |
| Michael Jayston | ... | Detective Sgt. Wall | |
| Suzy Kendall | ... | Sally | |
| Martin Potter | ... | Ronnie | |
| Percy Herbert | ... | Detective Constable Russet | |
| David Warbeck | ... | Detective Wilson | |
| Kathleen Byron | ... | Muriel Sharp | |
| Marianne Stone | ... | Jane - Barmaid | |
| Dean Harris | ... | Ronnie's Friend | |
| Rest of cast listed alphabetically: | |||
 |
Venicia Day | ... | Dancer |
| Anthony Chinn | ... | Customer (uncredited) | |
| Frank Forsyth | ... | Man at Will Reading (uncredited) | |
| Alan Harris | ... | Coven Member (uncredited) | |
| Kristopher Kum | ... | Customer (uncredited) | |
|
|
Brian McDermott | ... | Policeman Following Ronnie (uncredited) |
|
|
Quentin Pierre | ... | Acolyte (uncredited) |
| Anita Sharp-Bolster | ... | Woman at Will Reading (uncredited) | |
| Guy Standeven | ... | Milkman (uncredited) | |
|
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Derek Suthern | ... | Coven Member. (uncredited) |
Produced by
| Gustave M. Berne | ... | executive producer (as Gustave Berne) |
| Herman Cohen | ... | producer |
Music by
| John Scott | ||
Cinematography by
| John Wilcox | ... | director of photography |
Editing by
| Henry Richardson | ||
Art Direction by
| George Provis | ||
Makeup Department
| Bill Lodge | ... | makeup |
| Bobbie Smith | ... | hairdresser |
Production Management
| Jilda Smith | ... | production manager |
Second Unit Director or Assistant Director
| Peter Saunders | ... | assistant director |
| Derek Gooch | ... | third assistant director (uncredited) |
| Chris Kenny | ... | second assistant director (uncredited) |
Art Department
| Helen Thomas | ... | set dresser |
| John Arden | ... | production buyer (uncredited) |
| Albert Blackshaw | ... | construction manager (uncredited) |
| Chuck Ferrigno | ... | propertyman (uncredited) |
| Tom Frewer | ... | dressing props (uncredited) |
| Michael Guyett | ... | scenic painter (uncredited) |
| Albert Hunt | ... | standby carpenter (uncredited) |
| John Lageu | ... | draughtsman (uncredited) |
| George March | ... | standby stagehand (uncredited) |
| David Merchant | ... | dressing props (uncredited) |
| Bobby Murrell | ... | property supervisor (uncredited) |
| Mervyn Richards | ... | standby painter (uncredited) |
Sound Department
| Mike Le Mare | ... | supervising sound editor |
| Ken Ritchie | ... | sound mixer |
| Peter Dukelow | ... | boom operator (uncredited) |
| Fred Peters | ... | sound camera operator (uncredited) |
| George Widdows | ... | sound maintenance (uncredited) |
Camera and Electrical Department
| James Bawden | ... | camera operator |
| Alf Brooker | ... | camera grip (uncredited) |
| Barry Brown | ... | clapper loader (uncredited) |
| Maurice Gillett | ... | gaffer (uncredited) |
| Ray Hearne | ... | still cameraman (uncredited) |
| Stephen Smith | ... | focus puller (uncredited) |
Casting Department
| Maude Spector | ... | casting |
Costume and Wardrobe Department
| Rita Wakely | ... | wardrobe |
Editorial Department
| George Lys | ... | assistant editor (uncredited) |
Music Department
| John Scott | ... | conductor / orchestrator |
Script and Continuity Department
| Pamela Davies | ... | continuity |
Additional Crew
| Terry Baldwin | ... | producer's secretary |
| Didier Chatelain | ... | assistant to producer |
| Jack Jeffery | ... | production accountant |
| Inez Easton | ... | production secretary (uncredited) |
