Directed by
| Walter Lang | ||
Writing Credits
| E. Phillips Oppenheim | ... | (novel) |
| James Bell Smith | ... | (adaptation) |
Cast (in credits order)
| Lillian Rich | ... | Ruth Rowan | |
| Huntley Gordon | ... | Roland Deane | |
| Jay Hunt | ... | John Rowan | |
| Lawford Davidson | ... | George Sisk | |
| Boris Karloff | ... | Dave Sinclair | |
 |
Nora Hayden | ... | Miss Philbury |
| Syd Crossley | ... | Butler | |
| Joe Moore | ... | Office Boy | |
| Rest of cast listed alphabetically: | |||
| Scott Seaton | ... | District Attorney (uncredited) | |
Produced by
| Renaud Hoffman | ... | supervising producer |
Cinematography by
| Ray June | ||
Production Management
| Glenn Belt | ... | production manager |
Script and Continuity Department
| James Bell Smith | ... | continuity |
Additional Crew
| Samuel Sax | ... | presenter (as Sam Sax) |
