| Dorothy McGuire | Helen Capel |
| George Brent | Professor Warren |
| Ethel Barrymore | Mrs. Warren |
| Kent Smith | Dr. Parry |
| Rhonda Fleming | Blanche |
| Gordon Oliver | Steve Warren |
| Elsa Lanchester | Mrs. Oates |
| Sara Allgood | Nurse Barker |
| Rhys Williams | Mr. Oates |
| James Bell | Constable |
| Director | Robert Siodmak |
| Producer | Dore Schary |
| Writer | Ethel Lina White; Mel Dinelli |
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