 | Richard Harris als Harry Crown |
 | Edmond O'Brien als Uncle Frank Kelly |
 | Bradford Dillman als Big Eddie |
 | Ann Turkel als Buffy |
 | Constance Ford als Dolly |
 | Kathrine Baumann als Baby |
 | Janice Heiden als Clara (as Janis Heiden) |
 | Zooey Hall als Tony (as David Hall) |
 | Max Kleven als North |
| Karl Lucas als Guard |
 | Tony Brubaker als Burt (as Anthony Brubaker) |
| Jerry Summers als Shoes |
 | Roy Jenson als Jake |
| Bennie E. Dobbins als Driver (as Bernie Dobbins) |
 | Chuck Roberson als Gunman |
 | Chuck Connors als Claw Zuckerman |
| Tom Anfinsen als Dakota |
 | William Hansen als Joe - Kelly's Accountant |
| John Frankenheimer | Director |
| Robert Dillon | Writer |
| Joe Wizan | Producer |
| Ralph Woolsey | Director of Photography |
| Harold F. Kress | Editor |
| Jack Baur | Casting |
| Ron Talsky | Costume Design |
| Herman A. Blumenthal | Art Direction |
| Mickey Borofsky | Associate Producer |
| Henry Mancini | Original Music Composer |
| Jerry Wunderlich | Set Decoration |
| Jean Austin | Hairstylist |
| Ken Chase | Makeup Artist |
| Donald C. Klune | Production Manager |
| Mel Dellar | Unit Production Manager |
| Jere Henshaw | Executive In Charge Of Production |
| John W. Rogers | Production Manager |
| Kurt Neumann | Assistant Director |
| Lorin Bennett Salob | Second Assistant Director |
| L. Andrew Stone | Assistant Director |
| Alan Levine | Property Master |
| Hendrik Wynands | Construction Coordinator |
| Gale Brown | Propmaker |
| Glenn E. Anderson | Sound Mixer |
| Don Hall | Sound Editor |
| Edward Rossi | Sound Editor |
| Theodore Soderberg | Sound Re-Recording Mixer |
| Blake Wilcox | Boom Operator |
| Ira Anderson Jr. | Special Effects |
| A. Paul Pollard | Special Effects |
| Max Kleven | Stunt Coordinator |
| Preston Peterson | Stunts |
| Craig R. Baxley | Stunts |
| Jerry Brutsche | Stunts |
| Joe Canutt | Stunts |
| Erik Cord | Stunts |
| Howard Curtis | Stunts |
| Nick Dimitri | Stunts |
| Bennie E. Dobbins | Stunts |
| Larry Duran | Stunts |
| Dick Durock | Stunts |
| Tony Epper | Stunts |
| Fritz Ford | Stunts |
| Larry Holt | Stunts |
| Loren Janes | Stunts |
| Gene LeBell | Stunts |
| Terry Leonard | Stunts |
| Fred Lerner | Stunts |
| Harvey Parry | Stunts |
| Chuck Roberson | Stunts |
| George Robotham | Stunts |
| Walter Scott | Stunts |
| Paul Stader | Stunts |
| Jack Verbois | Stunts |
| Jesse Wayne | Stunts |
| George P. Wilbur | Stunts |
| Lamar Boren | Underwater Director of Photography |
| Chris Schwiebert | Camera Operator |
| Eric D. Andersen | Camera Technician |
| Bill Fleming | Dolly Grip |
| George Holmes | Gaffer |
| Larry D. Howard | Best Boy Electric |
| Dick Johnson | Camera Operator |
| Daniel R. Jordan | Grip |
| Robert O. Moore | Dolly Grip |
| Hal Shiffman | Camera Technician |
| Lance Williams | Camera Operator |
| Jack Williams | Stunts |
| Bob Herron | Stunts |
| Orlando Suero | Still Photographer |
| Godfrey Marks | Dialogue Editor |
