Directed by
| Guy Hamilton | ||
Writing Credits (in alphabetical order)
| Lesley Storm | ||
| Val Valentine | ||
| Edgar Wallace | ... | (play) |
Cast (in credits order)
| Herbert Lom | ... | Maurice Meister | |
| Donald Wolfit | ... | Dr. Lomond | |
| Mai Zetterling | ... | Lisa | |
| Greta Gynt | ... | Cora Ann Milton | |
| William Hartnell | ... | Sam Hackett | |
| Norman Wooland | ... | Inspector Bliss | |
| Denholm Elliott | ... | John Lemley | |
| Dora Bryan | ... | Mrs. Hackett | |
| Charles Victor | ... | Inspector Wembury | |
| Walter Fitzgerald | ... | Commissioner | |
| John Stuart | ... | Gardener | |
| John Slater | ... | Bell | |
| Edward Chapman | ... | Stranger | |
| Campbell Singer | ... | Station Sergeant Carter | |
| Rest of cast listed alphabetically: | |||
| Peter Burton | ... | Detective (uncredited) | |
 |
Arthur Lovegrove | ... | Workman Installing Window Bars (uncredited) |
| Arthur Mullard | ... | Police Constable (uncredited) | |
| Robert Raglan | ... | Detective Peters (uncredited) | |
| Leonard Sharp | ... | Nightwatchman (uncredited) | |
|
|
Jack Stewart | ... | Police Constable (uncredited) |
|
|
Russell Waters | ... | Detective (uncredited) |
Produced by
| Hugh Perceval | ... | producer |
Music by
| Malcolm Arnold | ||
Cinematography by
| Edward Scaife | ... | (as Ted Scaife) (photographed by) |
Editing by
| Bert Bates | ||
Production Design by
| William Hutchinson | ||
Costume Design by
| Joseph Bato | ||
Makeup Department
| Eileen Bates | ... | hairdresser |
Sound Department
| Sandy Fairlie | ... | sound camera operator (uncredited) |
| Barbara Hopkins | ... | dubbing crew (uncredited) |
| Ken Ritchie | ... | assistant boom operator (uncredited) |
| Ernest Webb | ... | dubbing crew (uncredited) |
| Ivor Worsley | ... | sound maintenance (uncredited) |
Camera and Electrical Department
| Robert Day | ... | camera operator |
| Gerry Fisher | ... | assistant camera |
| Eddie Earp | ... | clapper loader (uncredited) |
| Anthony Hopking | ... | still photographer (uncredited) |
| Alan McCabe | ... | clapper loader (uncredited) |
Editorial Department
| Teddy Mason | ... | assistant editor (uncredited) |
Music Department
| Muir Mathieson | ... | musical director |
Additional Crew
| Norma Garment | ... | production secretary (uncredited) |
