Directed by
| Roy Ward Baker | ... | (as Roy Baker) |
Writing Credits
| Eric Ambler | ... | (screenplay) |
| Eric Ambler | ... | (novel) (The Dark Frontier, 1936) |
Cast (in credits order) complete, awaiting verification
Produced by
| Antony Darnborough | ... | producer |
| Earl St. John | ... | executive producer |
Music by
| Richard Addinsell | ||
Cinematography by
| Reginald H. Wyer | ... | (as Reginald Wyer) (lighting cameraman) |
Editing by
| Alfred Roome | ||
Casting By
| Weston Drury Jr. | ... | (uncredited) |
Art Direction by
| Alex Vetchinsky | ... | (as Vetchinsky) |
Makeup Department
| W.T. Partleton | ... | makeup artist |
| Biddy Chrystal | ... | hair stylist (uncredited) |
Production Management
| William N. Boyle | ... | production manager (as Billy Boyle) |
Second Unit Director or Assistant Director
| Roy Goddard | ... | assistant director |
| Kip Gowans | ... | third assistant director (uncredited) |
| Peter Manley | ... | second assistant director (uncredited) |
Art Department
| Bert Gaiters | ... | property master (uncredited) |
| Bert Jempson | ... | construction manager (uncredited) |
Sound Department
| John Cook | ... | sound recordist |
| Gordon K. McCallum | ... | sound recordist (as Gordon McCallum) |
| Peter Davies | ... | first assistant dubbing mixer (uncredited) |
| Robert T. MacPhee | ... | boom operator (uncredited) |
| George Willows | ... | sound camera operator (uncredited) |
Camera and Electrical Department
| David Harcourt | ... | camera operator |
| Peter Allwork | ... | focus puller (uncredited) |
| Tom Friswell | ... | clapper loader (uncredited) |
Costume and Wardrobe Department
| Julie Harris | ... | dress designer |
| Dorothy Edwards | ... | wardrobe: women (uncredited) |
| Bob Rayner | ... | wardrobe: men (uncredited) |
Music Department
| Muir Mathieson | ... | conductor |
| Eric Rogers | ... | music arranger (uncredited) |
Script and Continuity Department
| Yvonne Axworthy | ... | continuity (uncredited) |
| Pauline Kernick | ... | assistant continuity (uncredited) |
Additional Crew
| Arthur Alcott | ... | production controller |
| Ray Cunnington | ... | unit publicist (uncredited) |
| Ken Green | ... | publicity manager (uncredited) |