Writing Credits (in alphabetical order)
| Lionel Birch | ... | (play) |
| Lorna Hay | ... | (play) |
| Wolf Rilla | ... | (adaptation) (as W.P. Rilla) |
Cast (in credits order)
| Esmond Knight | ... | Hugo von Gerhardt | |
| Mary Kerridge | ... | Friedl von Gerhardt | |
| Robert Arden | ... | Joe Mancini (as Bob Arden) | |
| Betty Ann Davies | ... | Sigrid Kleber | |
 |
Humphrey Lestocq | ... | Gerald Taylor |
|
|
Paul Demel | ... | Ivan Alexeivitch Dalmatov |
|
|
Agnes Lauchlan | ... | Beatrice Crouch-Burnham |
|
|
Irene Prador | ... | Emmy |
|
|
Alexander Moyes | ... | Radio announcer |
|
|
Cecil Petty | ... | Waiter |
Produced by
| Douglas Allen | ... | producer |
Art Department
| Richard R. Greenough | ... | settings (as Richard Greenough) |
