 | Stacy Keach als Col. Vincent Kane |
 | Scott Wilson als Capt. Billy Cutshaw |
 | Jason Miller als Lt. Frankie Reno |
 | Ed Flanders als Col. Richard Fell |
 | Neville Brand als Maj. Marvin Groper |
 | George DiCenzo als Capt. Fairbanks |
 | Moses Gunn als Maj. Nammack |
 | Robert Loggia als Lt. Bennish |
 | Joe Spinell als Lt. Spinell |
 | Alejandro Rey als Lt. Gomez |
 | Tom Atkins als Sgt. Krebs |
 | Steve Sandor als 1st Cyclist |
 | Richard Lynch als 2nd Cyclist |
 | William Peter Blatty als Dr. Fromme (uncredited) |
 | Bruce Boa als Sergeant in combat shack |
 | Gordon Mark als Sgt. Gilman |
 | William Lucking als Highway Patrolman |
| Stephen Powers als Sgt. Christian |
 | David Healy als 1st General |
| William Paul als 2nd General |
| Tom Shaw als Priest |
| Gordon K. Kee als Inmate |
| Linda Blatty als Waitress |
| Hobby Gilman als Marine Corporal |
| Marilyn Raymon als Cyclist |
| Bobby Bass als Driver |
| Billy Blatty als Young Kane |
| William Peter Blatty | Screenplay |
| William Peter Blatty | Novel |
| William Peter Blatty | Director |
| William Peter Blatty | Producer |
| J. Dennis Washington | Art Direction |
| Battle Davis | Editor |
| Tony de Zarraga | Editor |
| Bill Malley | Production Design |
| Barry De Vorzon | Original Music Composer |
| Peter Lee-Thompson | Editor |
| Gerry Fisher | Director of Photography |
| William Paul | Executive Producer |
| Roberto Silvi | Editor |
| Laurie Shane | Gaffer |
| John Caper Jr. | Music Editor |
| John Franco | Script Supervisor |
| Gordon Ecker | Supervising Sound Editor |
| Tom Bronson | Costume Design |
| Steve Stafford | Camera Operator |
| Egon Endrényi | Still Photographer |
| Sydney Ann Smith-Kee | Set Decoration |
| Mike Rutter | Assistant Camera |
| Stan Gilbert | Dialogue Editor |
| Jeannie Epper | Stunts |
| Tom Shaw | Associate Producer |
| Peter Taylor | Supervising Editor |
| Colin Charles | Sound |
| Marvin Walowitz | Sound Editor |
| Andrew London | Sound Editor |
| David Pettijohn | Sound Editor |
| Lon Bender | Assistant Sound Editor |
| Robert L. Harman | Sound Re-Recording Mixer |
| Jim Cook | Sound Re-Recording Mixer |
| Charles Grenzbach | Sound Re-Recording Mixer |
| Willard Flanagin | Special Effects |
| Jimmy Waters | Key Grip |
| Tom Shaw Jr. | Property Master |
| Jack Baur | Casting Consultant |
| Anne Shaw | Production Coordinator |
| Gordon K. Kee | Production Accountant |
| Bobby Bass | Stunt Coordinator |
| Tim Rossovich | Stunts |
| Gary Epper | Stunts |
