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Leo Gorcey as Muggs McGinnis |
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Bobby Jordan as Danny Graham |
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Joan Barclay as Helen Munson |
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Dave O'Brien as Tom Lawson |
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George Pembroke as Dr. Nagel |
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Sunshine Sammy Morrison as Scruno |
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David Gorcey as Peewee |
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Donald Haines as Skinny |
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Eugene Francis as Algy |
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Bobby Stone as Louie |
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Herbert Rawlinson as Mr. Reynolds |
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Dennis Moore as George |
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Forrest Taylor as Mr. Forbes |
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Robert F. Hill as Mr. Woodward |
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Mary Bovard as Maizie |
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Stephen Chase as Jack |
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Al Ferguson as Henchman |
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Jack Kenny as Henchman |
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Carey Loftin as Henchman |
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Bud Osborne as Henchman |
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Eddie Parker as Henchman |
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Dick Scott as Henchman |
| Directing | William West | Director |
| Writing | Al Martin | Screenplay |
| Writing | Al Martin | Story |
| Directing | Herman Pett | Assistant Director |
| Production | Sam Katzman | Producer |
| Directing | Arthur Hammond | Assistant Director |
| Camera | Fred Jackman Jr. | Director of Photography |
| Editing | Robert Golden | Editor |
| Production | Ed W. Rote | Production Manager |
| Art | Fred Preble | Set Decoration |
| Production | Pete Mayer | Associate Producer |
| Sound | Glen Glenn | Sound |
