Directed by
| Joseph Henabery | ||
Writing Credits
| S.S. Van Dine | ... | (characters) |
| Burnet Hershey | ... | (adaptation) |
Cast (in credits order)
| Donald Meek | ... | Dr. Crabtree | |
| John Hamilton | ... | Inspector Carr | |
 |
Rita Lan | ... | Louisa Van Link |
| Douglass Dumbrille | ... | Giuseppe Benito | |
|
|
Herbert Braggiotti | ... | Nicky Petroff |
| Rest of cast listed alphabetically: | |||
|
|
Edward Keane | ... | Sergeant (uncredited) |
| Almira Sessions | ... | Concert-Goer (uncredited) | |
Cinematography by
| Edwin B. DuPar | ... | (as E.B. Du Par) |
