Directed by
| Spencer Gordon Bennet | ... | (as Spencer Gordon Bennett) |
Writing Credits
| John T. Neville | ... | (adaptation) (as John Thomas Neville) |
| Norman Battle | ... | (based on story by: Eyes of Mystery) |
Cast (in credits order)
| William 'Stage' Boyd | ... | Thorwaldt Cornish (as William Boyd) | |
| Claudia Dell | ... | Enid Van Buren | |
| Huntley Gordon | ... | Mr. Gordon | |
| John Harron | ... | Erich (as Johnny Harron) | |
| Hooper Atchley | ... | Dr. Steven Walcott | |
| Lloyd Whitlock | ... | Rankin | |
| Phillips Smalley | ... | Dr. Bronson | |
| Lloyd Ingraham | ... | Adolph Klein | |
| Henry Hall | ... | Dr. Barris | |
| Rest of cast listed alphabetically: | |||
| Allan Cavan | ... | Policeman in Hotel Room (uncredited) | |
| Lon Poff | ... | Welsh (uncredited) | |
 |
Art Winkler | ... | Jim (uncredited) |
|
|
Art Winkler | ... | Jim (uncredited) |
Produced by
| Cliff P. Broughton | ... | supervising producer |
| George W. Weeks | ... | producer |
Cinematography by
| Jules Cronjager | ... | (photography) |
Editing by
| Byron Robinson | ||
Second Unit Director or Assistant Director
| Ralph E. Black | ... | assistant director (as Ralph Black) |
Sound Department
| Homer Ackerman | ... | sound recordist |
Music Department
| Lee Zahler | ... | musical director |
Additional Crew
| George W. Weeks | ... | presenter |
