Directed by
| Henry Edwards | ||
Writing Credits
| Edgar Wallace | ... | (by) |
| H. Fowler Mear | ... | (adapted for the screen by) |
| Edgar Wallace | ... | (dialogue) & |
| H. Fowler Mear | ... | (dialogue) |
Cast (in credits order) complete, awaiting verification
| Lyn Harding | ... | Selby Clive | |
| Betty Stockfeld | ... | Nita Clive (as Betty Stockfield) | |
| Leslie Perrins | ... | Frank Ryan | |
| Ben Welden | ... | Jerry Muller | |
| Aubrey Mather | ... | Sir Ralph Whitcombe | |
 |
Stanley Vine | ... | Lane |
| Rest of cast listed alphabetically: | |||
| Richard Dolman | ... | John Boscombe (uncredited) | |
| Charles Paton | ... | Workman (uncredited) | |
|
|
D.J. Williams | ... | Martin - Surveyor (uncredited) |
Produced by
| Julius Hagen | ... | producer |
Cinematography by
| Sydney Blythe | ... | (photography) |
Editing by
| Michael C. Chorlton | ||
Art Direction by
| James A. Carter | ||
Makeup Department
| Charles | ... | coiffure |
Second Unit Director or Assistant Director
| Arthur Barnes | ... | assistant director |
Sound Department
| Baynham Honri | ... | recording |
Editorial Department
| Jack Harris | ... | supervising editor |
Music Department
| W.L. Trytel | ... | musical director |
Additional Crew
| Julius Hagen | ... | presenter |
