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Joe Bonomo as Joe Masters |
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Ruth Hiatt as Sally Warren, Chemist |
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Francis Ford as The Sphinx |
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George Chesebro as |
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Sheldon Lewis as |
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Ernest Shields as |
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Jack Richardson as |
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Grace Cunard as |
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Rosemary Theby as |
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Peggy O'Day as |
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Duke Worne as |
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Helen Gibson as |
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Paul Malvern as |
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Al Baffert as Crook |
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J.P. McGowan as |
| Writing | Francis Ford | Writer |
| Directing | J.P. McGowan | Director |
