| Anne Francis | Doreen Maney |
| Betty Field | Mrs. B. |
| Bruce Gordon | Frank Nitti |
| Dan O'Herlihy | Larry "Ace" Banner |
| David Brian | Dink Conway |
| Edward Andrews | E. Carlton Duncan (Aristide Brittano) |
| Fred Clark | Major Charlie Byron |
| Harry Guardino | Frank O'Dean |
| Jack Warden | Frank Barber |
| Jim Backus | William Norbert |
| Leslie Nielsen | Tom Sebring |
| Thomas Mitchell | Milo Sullivan |
| Christopher Dark | Sheik Humphries |
| Henry Jones | Brooks Wells (Demos Brittano) |
| John Beradino | Augie Viale |
| John Hoyt | James Havens |
| John Marley | Ed Carlton |
| Leo Gordon | Whitey Deering |
| Marc Lawrence | Luigi Rinaldo |
| Mary Sinclair | Mrs. Sebring |
| Mike Kellin | Mig Torrance |
| Myron McCormick | Ramsey Lenox |
| Nehemiah Persoff | Johnny Fortunato |
| Peter Falk | Duke Mullen |
| Robert Middleton | Anton Cermak |
| Connie Hines | Maybelle Maney |
| Dick Foran | Jerry Dockstone |
| Dick York | Ernie Torrance |
| Dody Heath | Chickie Purcell |
| Dorothy Morris | Mildred Norbert |
| Frank Wilcox | D.A. Asbury |
| Joe Mantell | Giuseppe Zangara |
| Larry Gates | Julian Glass |
| Madlyn Rhue | Chickie |
| Norman Alden | Barry Carlton |
| Virginia Vincent | Louise O'Hara |
| Anthony Carbone | Forenzi |
| Charles McGraw | Johnny Torrio |
| Frank Albertson | Jason MacIntyre |
| Frank de Kova | Louis Campagna |
| George Mitchell | Pop Maney |
| James Mageean | Jamie "The Knife" Hennigan |
| Jeremy Slate | Red Foran |
| Patsy Kelly | Slapsie Sadie |
| Paul Comi | George Colleoni |
| Peter Leeds | Nick Segal |
| Raymond Bailey | US Atty. John Carvell |
| Sterling Holloway | Horace DeVilbiss |
| Susan Cummings | Hazel Stanley |
| Tom Trout | Flip |
| Alan Dexter | Vince Farrell |
| Bart Burns | Floyd Wheaton |
| Benny Burt | Nelson |
| Ernest Sarracino | Tony Zagano |
| George Neise | Ira Peterson |
| Ken Becker | Al Barberry |
| Nita Talbot | Alice |
| Richard Anderson | Sidney Rogers |
| Richard Bakalyan | Joe Courtney |
| Richard Rust | Len Carson |
| Robert Gist | Caddy Croner |
| Sam Gilman | Sheriff Parker |
| Virginia Christine | Stella Eden |
Technical Credits
| Howard W. Koch | Director |
| John Peyser | Director |
| Robert Florey | Director |
| Roger Kay | Director |
| Stuart Rosenberg | Director |
| Tay Garnett | Director |
| Walter E. Grauman | Director |
