Directed by
| Roy William Neill | ||
Writing Credits (in alphabetical order)
| John Dighton | ... | (writer) |
| J.O.C. Orton | ... | (writer) |
| Reginald Purdell | ... | (writer) |
Cast (in credits order)
| Claude Hulbert | ... | Cedric Gull | |
| Betty Lynne | ... | Gaby Toulong | |
 |
Hal Walters | ... | Stiffy Mason |
|
|
Lesley Brook | ... | Jenny |
| Fred Groves | ... | Inspector Bradlaw | |
| Dino Galvani | ... | The Viper | |
|
|
Boris Ranevsky | ... | Carlos |
| Harvey Braban | ... | Jagger | |
| Reginald Purdell | ... | Announcer | |
| Rest of cast listed alphabetically: | |||
|
|
Victor Rietti | ||
|
|
Julian Henry | ... | (uncredited) |
|
|
John Traynor | ... | (uncredited) |
Produced by
| Irving Asher | ... | executive producer |
Cinematography by
| Basil Emmott | ||
| Robert LaPresle | ||
