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John Miljan as Dr. Jones |
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Boyd Crawford as Dr. Bates / William Wilson |
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Robert Middlemass as Hartney Drew |
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Claire Du Brey as Dr. Jones' Nurse Hazel |
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Clem Bevans as Mr. Greene (uncredited) |
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Victor Kilian as Jack Saunders (uncredited) |
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Ruth Robinson as Mrs. Saunders (uncredited) |
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E. Alyn Warren as Dr. Turner (as Fred Warren) |
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Barbara Bedford as Miss Grant (uncredited) |
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Frederick Vogeding as Dr. Jones' Viennese Associate (uncredited) |
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James Flavin as Cop (uncredited) |
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Naomi Childers as Patient (uncredited) |
| Directing | Leslie Fenton | Director |
| Production | Jack Chertok | Producer |
