Directed by
| William Nigh | ||
Writing Credits
| Scott Darling | ... | (screenplay) |
| Hugh Wiley | ... | (based on the "James Lee Wong" Series in Collier's Magazine written by) |
Cast (in credits order) verified as complete
| Boris Karloff | ... | Mr. James Lee Wong | |
| Grant Withers | ... | Police Capt. Sam Street | |
| Dorothy Tree | ... | Valerie Edwards | |
| Craig Reynolds | ... | Peter Harrison | |
| Ivan Lebedeff | ... | Michael Strogonoff | |
| Holmes Herbert | ... | Prof. Ed Janney | |
| Morgan Wallace | ... | Brendan Edwards | |
| Lotus Long | ... | Drina, the Maid | |
| Chester Gan | ... | Sing, the Butler | |
| Hooper Atchley | ... | Carslake | |
 |
Bruce Wong | ... | Asian Man |
|
|
Jack Kennedy | ... | Police Guard |
| Joe Devlin | ... | Police Lt. George Devlin | |
| Lee Tong Foo | ... | Willie | |
| Wilbur Mack | ... | Ballistics Expert | |
|
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Dick Morehead | ... | Police Detective |
| Rest of cast listed alphabetically: | |||
| Steve Carruthers | ... | Party Guest (uncredited) | |
| I. Stanford Jolley | ... | Charades-Player (uncredited) | |
Produced by
| Scott R. Dunlap | ... | executive producer (uncredited) |
| William T. Lackey | ... | associate producer (as William Lackey) |
Music by
| Edward J. Kay | ... | (uncredited) |
Cinematography by
| Harry Neumann | ... | director of photography |
Editing by
| Russell F. Schoengarth | ... | (as Russell Schoengarth) |
Art Direction by
| E.R. Hickson | ... | (uncredited) |
Production Management
| Charles J. Bigelow | ... | production manager (as Chas. J. Bigelow) |
| Scott R. Dunlap | ... | in charge of production |
Second Unit Director or Assistant Director
| W.B. Eason | ... | assistant director |
Sound Department
| Karl Zint | ... | recording engineer |
Costume and Wardrobe Department
| Louis Brown | ... | wardrobe |
Music Department
| Edward J. Kay | ... | musical director (as Edward Kay) / composer: stock music (uncredited) |
Additional Crew
| E.R. Hickson | ... | technical director |
