 | Olivia de Havilland als Terry / Ruth Collins |
 | Lew Ayres als Dr. Scott Elliott |
 | Thomas Mitchell als Lt. Stevenson |
 | Richard Long als Rusty |
 | Charles Evans als Dist. Atty. Girard |
 | Garry Owen als Franklin |
 | Lela Bliss als Mrs. Didriksen |
 | Lester Allen als George Benson |
 | Bess Flowers als Nightclub Patron (uncredited) |
 | Ida Moore als Mrs. O'Brien (uncredited) |
 | Jean Andren als District attorney's secretary (uncredited) |
| Marta Mitrovich als Miss Beade (uncredited) |
| Jack Gargan als Waiter (uncredited) |
 | Amelita Ward als Photo-double (uncredited) |
 | William Halligan als Sergeant Temple (uncredited) |
| Charles McAvoy als Janitor O'Brien (uncredited) |
 | Jack Cheatham als Policeman (uncredited) |
 | Ralph Peters als Dumb cop (uncredited) |
| Ben Erway als Police Lieutenant (uncredited) |
 | Lane Chandler als Intern (uncredited) |
| Robert Siodmak | Director |
| Nunnally Johnson | Producer |
| Dimitri Tiomkin | Original Music Composer |
| Nunnally Johnson | Writer |
| Milton Krasner | Director of Photography |
| Ernest J. Nims | Editor |
| Mary Freeman | Hairstylist |
| Hugh Hunt | Set Decoration |
| Eugen Schüfftan | Visual Effects |
| Frank Skinner | Music |
| Norbert A. Myles | Makeup Artist |
| Duncan Cramer | Production Design |
| Irene Sharaff | Costume Design |
| Fred Lau | Sound |
| Arthur Johns | Sound |
| Paul K. Lerpae | Special Effects |
| Phyllis Loughton | Dialogue Coach |
| Vladimir Pozner | Original Story |
| Devereaux Jennings | Special Effects |
