Directed by
| Edmond T. Gréville | ... | (as Edmond Greville) |
Writing Credits (in alphabetical order)
| Jeffrey Dell | ... | (dialogue) |
| Edmond T. Gréville | ... | (screenplay) |
| Basil Mason | ... | (screenplay) |
| Hugh Perceval | ... | (screenplay) |
| Paul de Sainte Colombe | ... | (novel) |
Cast (in credits order)
| Brigitte Horney | ... | Lena Schmidt | |
| Neil Hamilton | ... | Lt. Pierre de Montmalion | |
 |
Raymond Lovell | ... | German Secret Service Chief |
| Charles Carson | ... | Henri | |
| Ivor Barnard | ... | Baldhead | |
|
|
Frederick Lloyd | ... | French Secret Service Chief |
| Leslie Perrins | ... | J 14 | |
|
|
Gyles Isham | ... | Franz Abel |
| Hay Petrie | ... | Robert Pigeon | |
|
|
Ben Field | ... | Karl Schmidt |
| Rest of cast listed alphabetically: | |||
| Arthur Hambling | ... | Swiss Official (uncredited) | |
| Vi Kaley | ... | Bakery Customer (uncredited) | |
| Ralph Truman | ... | Prison Guard (uncredited) | |
|
|
Julian Vedey | ... | Cabaret Proprietor (uncredited) |
| Margaret Yarde | ... | Bakery Customer (uncredited) | |
Produced by
| Hugh Perceval | ... | producer |
Music by
| Walter Goehr | ||
Cinematography by
| Otto Heller | ||
Editing by
| Ray Pitt | ||
Art Direction by
| R. Holmes Paul | ... | (as R. Holmes-Paul) |
Costume Design by
| Jane of Paris | ... | (gowns) |
Second Unit Director or Assistant Director
| Vincent Permane | ... | assistant director |
Sound Department
| William Yearsley | ... | sound recordist |
Additional Crew
| Robert Rips | ... | technical adviser |
