 | Eva Marie Saint als Echo O'Brien |
 | Warren Beatty als Berry-Berry Willart |
 | Karl Malden als Ralph Willart |
 | Angela Lansbury als Annabell Willart |
 | Brandon De Wilde als Clinton Willart |
 | Constance Ford als Mrs. Mandel |
 | Barbara Baxley als School Teacher |
 | Evans Evans als Hedy |
 | Madame Spivy als Bouncer |
 | Albert Paulsen als Capt. Ramirez |
| Robert Sorrells als Waiter in Sweet Shop |
| Carol Kelly als Flame |
| John Frankenheimer | Director |
| William Inge | Screenplay |
| Alex North | Original Music Composer |
| James Leo Herlihy | Novel |
| Henry Grace | Set Decoration |
| John Houseman | Producer |
| Ethel Winant | Associate Producer |
| Hal W. Polaire | Assistant Director |
| William Tuttle | Makeup Artist |
| George R. Nelson | Set Decoration |
| Lionel Lindon | Director of Photography |
| Dorothy Jeakins | Costume Design |
| Franklin Milton | Recording Supervision |
| E. Preston Ames | Art Direction |
| Fredric Steinkamp | Editor |
| Sydney Guilaroff | Hairstylist |
| Robert R. Hoag | Visual Effects |
| George W. Davis | Art Direction |
