Directed by
| Richard Rosson | ||
Writing Credits (in alphabetical order)
| Andrew Bennison | ||
| Malcolm Stuart Boylan | ... | (titles) |
| Harry O. Hoyt | ||
| Gaston Leroux | ... | (novel) |
Cast (in credits order) complete, awaiting verification
| Edmund Lowe | ... | Stanley Gordon | |
| Leila Hyams | ... | Anne Webster | |
| Gustav von Seyffertitz | ... | Prof. Paul Coriolos | |
| E.H. Calvert | ... | Edwin Palmer | |
| Barry Norton | ... | Reginald Van Lear | |
| Oscar Smith | ... | Sam | |
 |
Perle Marshall | ... | Detective Murphy (as Perlie Marshall) |
| Norman Trevor | ... | Judge Webster | |
| George Kotsonaros | ... | The Gorilla | |
| Maude Turner Gordon | ... | Mrs. Van Lear | |
| Rest of cast listed alphabetically: | |||
|
|
Richard Frazier | ... | Undetermined Secondary Role (uncredited) |
Cinematography by
| Frank B. Good | ... | (as Frank Good) |
Second Unit Director or Assistant Director
| Park Frame | ... | assistant director |
Additional Crew
| William Fox | ... | presenter |
