Directed by
| William Nigh | ||
Writing Credits
| Scott Darling | ... | (screen play) |
| Hugh Wiley | ... | (magazine series "James Lee Wong") |
Cast (in credits order) verified as complete
| Boris Karloff | ... | James Lee Wong | |
| Marjorie Reynolds | ... | Bobbie Logan | |
| Grant Withers | ... | Inspector Bill Street | |
| Huntley Gordon | ... | Mr. Davidson | |
| George Lynn | ... | Captain Guy Jackson (as Peter George Lynn) | |
| William Royle | ... | Captain Jaime | |
| James Flavin | ... | Sergeant Jerry | |
| Lotus Long | ... | Princess Lin Hwa | |
| Lee Tong Foo | ... | Willie | |
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Bessie Loo | ... | Lilly May |
| Richard Loo | ... | Tong Chief | |
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Ernie Stanton | ... | Burton |
| Rest of cast listed alphabetically: | |||
| I. Stanford Jolley | ... | Palisser Hotel Clerk (uncredited) | |
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Jack Kennedy | ... | Sgt. Brady (uncredited) |
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Donald Kerr | ... | Taxi Driver (uncredited) |
| Wilbur Mack | ... | The Coroner (uncredited) | |
| Moy Ming | ... | Aged Tong Member (uncredited) | |
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Bruce Mitchell | ... | Police Officer at Explosion (uncredited) |
| Angelo Rossitto | ... | Mute Dwarf (uncredited) | |
| Guy Usher | ... | Police Commissioner (uncredited) | |
Produced by
| 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) |
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 |
