| Person | Type | Job | Role(s) |
|---|---|---|---|
 Albert Whitlock | Crew | Crew | Special Effects, Visual Effects |
Arthur Piantadosi | Crew | Sound | Sound Re-Recording Mixer |
Bennie Moore | Crew | Crew | Stunts |
Betsy Cox | Crew | Costume & Make-Up | Costume Supervisor |
Bonnie Prendergast | Crew | Directing | Script Supervisor |
Bruce Walkup | Crew | Costume & Make-Up | Costume Supervisor |
Charles Orme | Crew | Production | Associate Producer |
Chuck Gaspar | Crew | Crew | Special Effects |
 Dan Perri | Crew | Art | Title Designer |
Dean Mitzner | Crew | Art | Assistant Art Director |
 Dick Smith | Crew | Costume & Make-Up | Makeup Artist, Special Effects Makeup Artist |
 Ennio Morricone | Crew | Sound | Original Music Composer, Orchestrator, Conductor |
Eugene Marks | Crew | Sound | Music Editor |
Gary Liddiard | Crew | Costume & Make-Up | Makeup Supervisor |
Gene Rudolf | Crew | Art | Art Direction |
Gerry Johnston | Crew | Visual Effects | Special Effects Supervisor |
Jack T. Collis | Crew | Art | Art Direction |
Jeff Jarvis | Crew | Crew | Special Effects |
Jim Atkinson | Crew | Sound | Sound Effects Editor |
 John Boorman | Crew | Directing | Director, Producer |
John Merritt | Crew | Editing | Editor |
John P. Austin | Crew | Art | Set Decoration |
Les Fresholtz | Crew | Sound | Sound Re-Recording Mixer |
Lynda Gurasich | Crew | Costume & Make-Up | Hair Supervisor |
Michael Minkler | Crew | Sound | Sound Re-Recording Mixer |
Phil Rawlins | Crew | Directing | Assistant Director |
Richard Lawrence | Crew | Art | Assistant Art Director |
Richard Lederer | Crew | Production | Producer |
Richard Macdonald | Crew | Art | Production Design |
Richard Ratliff | Crew | Crew | Special Effects |
Robert De Mora | Crew | Costume & Make-Up | Costume Design |
Ron Berkeley | Crew | Costume & Make-Up | Makeup Artist |
Ron Spang | Crew | Editing | Assistant Editor |
Rospo Pallenberg | Crew | Writing | Writer, Second Unit Director |
Terry Miles | Crew | Costume & Make-Up | Makeup Artist |
Tom Priestley | Crew | Editing | Editor |
Walter Goss | Crew | Sound | Sound Mixer |
Whitey Hughes | Crew | Crew | Stunt Coordinator |
 William A. Fraker | Crew | Camera | Director of Photography |
William C. Gerrity | Crew | Production | Unit Production Manager |
William Goodhart | Crew | Writing | Writer |
 William Peter Blatty | Crew | Writing | Characters |
William S. Beasley | Crew | Directing | Assistant Director Trainee |
Peter R. Romero | Crew | Art | Assistant Art Director |
John R. Coonan | Crew | Production | Unit Production Manager |
Richard M. Rubin | Crew | Art | Property Master |
May Boss | Crew | Crew | Stunts |
Gae Clark Butler | Crew | Costume & Make-Up | Hairdresser |
John Ashby | Crew | Crew | Stunts |
Axel Hubert Sr. | Crew | Editing | Associate Editor |
Russ Hill | Crew | Sound | Sound Effects Editor |
Harold Broner | Crew | Art | Construction Coordinator |
Ted Koerner | Crew | Crew | Special Effects |
Carrie White | Crew | Costume & Make-Up | Additional Hairstylist |
Barbara Cason | Cast | Actress | Mrs. Phalor |
Belinda Beatty | Cast | Liz | |
Bill Grant | Cast | Taxi Driver | |
Charles Parks | Cast | Actor | |
 Dana Plato | Cast | Actress | Sandra Phalor (uncredited) |
Fiseha Dimetros | Cast | Young Monk | |
George Skaff | Cast | Actor | |
 Hank Garrett | Cast | Actor | Conductor |
 James Earl Jones | Cast | Actor | Older Kokumo |
Joey Green | Cast | Young Kokumo | |
 Ken Renard | Cast | Actor | Abbot |
 Kitty Winn | Cast | Actress | Sharon Spencer |
 Linda Blair | Cast | Actress | Regan MacNeil |
Lorry Goldman | Cast | Actor | Accident Victim |
 Louise Fletcher | Cast | Actress | Dr. Gene Tuskin |
 Marianne Muellerleile | Cast | Actress | Patient (uncredited) |
 Max von Sydow | Cast | Actor | Father Lankester Merrin |
 Ned Beatty | Cast | Actor | Edwards |
 Paul Henreid | Cast | Actor | The Cardinal |
 Richard Burton | Cast | Actor | Father Philip Lamont |
 Richard Paul | Cast | Actor | Man on the Plane |
Robert Lussier | Cast | Actor | |
 Rose Portillo | Cast | Actress | Spanish Girl |
Shane Butterworth | Cast | Gary Tuskin | |
Tiffany Kinney | Cast | Deaf Girl | |
Joely Adams | Cast | Linda Tuskin | |
Karen Knapp | Cast | Actress | Pazuzu (uncredited) |
Kelley Karel | Cast | Actress | Singer (uncredited) |
| Person | Type | Job | Role(s) |
