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Frank Baxter as Himself (as Dr. Frank C. Baxter) |
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Hadley Cantrell as Himself - Princeton University Psychologist (as Professor Hadley Cantrell) |
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Edwin Max as Bill |
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Wilder Penfield as Himself - Director: Montreal Neurological Institute (as Dr. Wilder Penfield) |
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Peter Brown as Aristotle's student (uncredited) |
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Karl Swenson as Hal - the Cameraman (uncredited) |
| Directing | Owen Crump | Director |
| Writing | Henry F. Greenberg | Writer |
| Editing | Fred MacDowell | Editor |
| Art | William L. Kuehl | Set Decoration |
| Camera | Ellis W. Carter | Director of Photography |
| Production | Owen Crump | Producer |
| Art | Donald A. Peters | Art Direction |
