Directed by
| S. Roy Luby | ||
Writing Credits
| Fred Myton | ... | (original story) |
| Fred Myton | ... | (screenplay) |
Cast (in credits order) verified as complete
| Bob Steele | ... | Larry O'Day | |
| Harley Wood | ... | Barbara Hartwell | |
| Don Barclay | ... | Lucky Smith | |
| Karl Hackett | ... | Obed Young | |
| Horace Murphy | ... | Sheriff Murphy | |
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Miki Morita | ... | Chang Lu |
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Perry Murdock | ... | Jim Barton |
| Hans Joby | ... | Dr. Von Kurtz | |
| Frank Ball | ... | Prof. Andrew Hartwell | |
| Rest of cast listed alphabetically: | |||
| Budd Buster | ... | Man Springing Barb from Jail (uncredited) | |
| Horace B. Carpenter | ... | Old Barfly (uncredited) | |
| Ed Cassidy | ... | Big-City Newspaper-Editor (uncredited) | |
| Barney Furey | ... | Man in Barn (uncredited) | |
| Oscar Gahan | ... | Barfly (uncredited) | |
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Jack Gardner | ... | Newspaper-Reporter (uncredited) |
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Clyde McClary | ... | Bartender Gus (uncredited) |
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Beal Wong | ... | Smuggler-Servant (uncredited) |
Produced by
| A.W. Hackel | ... | producer |
Cinematography by
| Jack Greenhalgh | ||
Editing by
| S. Roy Luby | ... | (as Roy Claire) |
Sound Department
| Clifford A. Ruberg | ... | sound engineer (as Cliff Ruberg) |
Music Department
| Abe Meyer | ... | music supervisor (uncredited) |