Directed by
| Joseph Henabery | ||
Writing Credits
| S.S. Van Dine | ... | (by) |
| Burnet Hershey | ... | (adaptation) |
Cast (in credits order)
| Donald Meek | ... | Dr. Crabtree | |
| John Hamilton | ... | Insp. Carr | |
| Robert Middlemass | ... | Boris Seminoff | |
 |
Thelma Tipson | ... | Dolly Demarest |
|
|
Walter Fenner | ... | Ian Stevens |
| Jane Bramley | ... | Mae Norton | |
| Rest of cast listed alphabetically: | |||
| Herschel Mayall | ... | Medical Examiner (uncredited) | |
|
|
Frank McNellis | ... | Monitor Man (uncredited) |
| Harry Tyler | ... | Assistant Director (uncredited) | |
Cinematography by
| Edwin B. DuPar | ||
