Cast & crew
Underworld U.S.A. (1961)
Directed by Samuel Fuller Written by Samuel Fuller
Cast
| Cliff Robertson | Tolly Devlin |
| Dolores Dorn | Cuddles |
| Beatrice Kay | Sandy |
| Richard Rust | Gus Cottahee |
| Gerald Milton | Joseph Wilhelm Gunther |
| David Kent | Young Tolly |
| Paul Dubov | Gela |
| Robert Emhardt | Earl Connors |
| Larry Gates | John Driscoll |
| Peter Brocco | Vic Farrar |
| Cosmo Sardo | Connors' Associate |
| Sally Mills | Connie Fowler |
| Robert P. Lieb | Police Chief William Fowler |
| Allan Gruener | Smith |
| Henry Norell | Dr. Meredith |
| Bernie Hamilton | Investigator |
| Jerry Mann | Cashier (uncredited) |
| Tina Pine | Woman |
| Neyle Morrow | Barney |
Crew
| Samuel Fuller | Director |
| Samuel Fuller | Writer |
| Hal Mohr | Director of Photography |
| Harry Sukman | Original Music Composer |
| Floyd Joyer | Assistant Director |
| Ben Lane | Makeup Supervisor |
| Robert Peterson | Art Direction |
| William F. Calvert | Set Decoration |
| Samuel Fuller | Producer |
| Jerome Thoms | Editor |
| J.S. Westmoreland | Sound |
| Charles J. Rice | Sound Recordist |
| Jack Hayes | Orchestrator |
| Bernice Pontrelli | Costume Design |
| Helen Hunt | Hairstylist |
| Leo Shuken | Orchestrator |