 | Dana Andrews als Perry Ashwell |
 | Lilli Palmer als April Ashwell |
 | Louis Jourdan als Octavio Quaglini |
 | Jane Wyatt als Miss Darlington |
 | Norman Lloyd als Dr. Sturdivant |
 | Beau Bridges als Bertram (uncredited) |
 | Virginia Gumm als Mother (uncredited) |
 | Ann Doran als Mrs. Faraday (uncredited) |
| Inna Gest als Mrs. Fleishgelt (uncredited) |
 | Bernard Gorcey als Mr. Zitzfleisch (uncredited) |
 | Fay Baker als Mrs. Felton (uncredited) |
 | Roy Roberts als Mr. Felton (uncredited) |
 | Sharon McManus als Gloria Felton (uncredited) |
| Eileen Coghlan als Nurse (uncredited) |
| Frank Conlan als Window Cleaner (uncredited) |
| Robert Hyatt als Genius (uncredited) |
 | Frank Kreig als Cab Driver (uncredited) |
| Joy Rogers als Nurse (uncredited) |
 | Kay Williams als Receptionist (uncredited) |
| Lewis Milestone | Director |
| Arnold Manoff | Screenplay |
| Robert Aldrich | Assistant Director |
| Arnold Manoff | Story |
| Lewis Milestone | Producer |
| Franz Waxman | Original Music Composer |
| George Barnes | Director of Photography |
| Robert Parrish | Editor |
| Nicolai Remisoff | Production Design |
| Edward G. Boyle | Set Decoration |
| Lillian Lashin | Hairstylist |
| Gustaf Norin | Makeup Supervisor |
| Joe C. Gilpin | Executive In Charge Of Production |
| Nate Watt | Assistant Director |
| Frank McWhorter | Sound Engineer |
| Mario Castegnaro | Visual Effects |
| Carl Gibson | Grip |
| John F. Warren | Camera Operator |
| Scotty Welbourne | Still Photographer |
| Marion Herwood Keyes | Wardrobe Designer |
| Rudolph Polk | Music Director |
| Leonid Raab | Orchestrator |
| Don Weis | Dialogue Editor |
