Directed by
| Brian Desmond Hurst | ||
Writing Credits (in alphabetical order)
| Marcel Achard | ... | (story "L'Alibi") |
| Roy Carter | ... | (screenplay) (as R. Carter) |
| Jacques Companéez | ... | (screenplay) (as Companeez) |
| Brian Desmond Hurst | ... | (shooting script) |
| Herbert Juttke | ... | (screenplay) (as Juttke) |
| Lesley Storm | ... | (additional dialogue) |
Cast (in credits order)
| Margaret Lockwood | ... | Helene Ardouin | |
| Hugh Sinclair | ... | Inspector Calas | |
| James Mason | ... | Andre Laurent | |
 |
Raymond Lovell | ... | Prof. Winkler |
| Enid Stamp-Taylor | ... | Dany | |
|
|
Hartley Power | ... | Gordon |
| Jane Carr | ... | Delia | |
| Edana Romney | ... | Winkler's Assistant | |
| Rodney Ackland | ... | Winker's Assistant | |
|
|
Elisabeth Welch | ... | Singer |
| Olga Lindo | ... | Mlle. Loureau | |
| Muriel George | ... | Mme. Bretonnet | |
| George Merritt | ... | Bourdille | |
|
|
Judy Gray | ... | Josette |
| Philip Leaver | ... | Dodo | |
| Derek Blomfield | ... | Gerard | |
| Rest of cast listed alphabetically: | |||
| James Donald | ... | Barman (uncredited) | |
| Vi Kaley | ... | Flower Seller (uncredited) | |
Produced by
| Herbert Smith | ... | associate producer |
| Josef Somlo | ... | producer |
Music by
| Jack Beaver | ... | (uncredited) |
Cinematography by
| Otto Heller | ||
Editing by
| Alan Jaggs | ||
Art Direction by
| Walter W. Murton | ... | (as Walter Murton) |
Costume Design by
| Molyneux | ||
Makeup Department
| Len Garde | ... | makeup artist |
Production Management
| Jack Hicks | ... | production manager |
Second Unit Director or Assistant Director
| Alf Keating | ... | assistant director |
Sound Department
| B.C. Sewell | ... | sound supervisor |
Camera and Electrical Department
| Otto Heller | ... | lighting |
| William McLeod | ... | camera operator (as W. McLeod) |
Casting Department
| Iside Head | ... | casting (uncredited) |
Costume and Wardrobe Department
| Hilda Collins | ... | wardrobe |
Editorial Department
| Charles Saunders | ... | supervising editor |
Music Department
| Jack Beaver | ... | musical director |
| Claire Wear's Embassy Orchestra | ... | Cuban band |
Script and Continuity Department
| Phyllis Ross | ... | continuity |
