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Bela Lugosi as Mr. Fu Wong aka Lysee |
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Wallace Ford as Jason H. 'Jay' Barton |
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Arline Judge as Peg |
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E. Alyn Warren as Phillip Tsang |
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Lotus Long as Moonflower |
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Robert Emmett O'Connor as Officer 'Mac' McGillicuddy |
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Edward Peil Sr. as Jen Yu |
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Luke Chan as Prof. Chan Fu |
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Lee Shumway as Steve Brandon |
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Etta Lee as Lusan |
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Ernest F. Young as Chuck Roberts |
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Theodore Lorch as Wong Henchman |
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James B. Leong as Wong Henchman |
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Chester Gan as Tung's Secret Service Agent |
| Directing | William Nigh | Director |
| Crew | James Herbuveaux | Additional Dialogue |
| Writing | Harry Stephen Keeler | Original Story |
| Art | E.R. Hickson | Art Direction |
| Production | George Yohalem | Producer |
| Camera | Harry Neumann | Director of Photography |
| Writing | Nina Howatt | Screenplay |
| Writing | Lew Levenson | Adaptation |
| Editing | Jack Ogilvie | Editor |
| Sound | Mischa Bakaleinikoff | Music |
| Sound | Bernard B. Brown | Music |
| Sound | Abe Meyer | Music Director |
| Sound | John Stransky Jr. | Sound |
