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Lon Chaney as Dr. Ziska |
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Johnny Arthur as Johnny Goodlittle |
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Gertrude Olmstead as Betty Watson |
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Hallam Cooley as Amos Rugg |
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Charles Sellon as Russ Mason |
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Walter James as Caliban |
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Knute Erickson as Daffy Dan |
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Frank Austin as Rigo |
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Edward McWade as Luke Watson |
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Ethel Wales as Mrs. Watson |
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Elmo Billings as Freckle Faced Kid (uncredited) |
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Herbert Prior as Dr. Edwards (uncredited) |
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William H. Turner as Detective Jennings (uncredited) |
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Dorothy Vernon as Townswoman at Accident Scene (uncredited) |
| Directing | Roland West | Director |
| Camera | Hal Mohr | Director of Photography |
| Writing | Roland West | Adaptation |
| Writing | Crane Wilbur | Theatre Play |
| Production | W.L. Heywood | Production Manager |
| Art | W.L. Heywood | Art Direction |
| Editing | A. Carle Palm | Editor |
| Writing | Albert Kenyon | Writer |
| Writing | Willard Mack | Writer |
