| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alf Joint | Crew | Crew | Stunt Coordinator |
 Arthur Morton | Crew | Sound | Orchestrator |
Bernard Hanson | Crew | Production | Location Manager |
Bob Penn | Crew | Camera | Still Photographer |
 Carmen Dillon | Crew | Art | Art Direction |
Charles Orme | Crew | Production | Producer |
Chris Ridsdale | Crew | Editing | Assistant Editor |
Claude Hudson | Crew | Production | Production Manager |
 David Seltzer | Crew | Writing | Screenplay |
David Tomblin | Crew | Directing | Assistant Director |
Elaine Schreyeck | Crew | Crew | Other |
George Ball | Crew | Art | Property Master |
George Gibbs | Crew | Crew | Special Effects |
George Richardson | Crew | Art | Assistant Art Director |
Gilbert Taylor | Crew | Camera | Director of Photography |
Harvey Bernhard | Crew | Production | Producer |
 Jerry Goldsmith | Crew | Sound | Original Music Composer |
John Richardson | Crew | Crew | Special Effects |
Lionel Newman | Crew | Sound | Additional Soundtrack |
Mace Neufeld | Crew | Production | Executive Producer |
Maude Spector | Crew | Production | Casting |
Patricia McDermott | Crew | Costume & Make-Up | Hairstylist |
 Richard Donner | Crew | Directing | Director |
 Stuart Baird | Crew | Editing | Editor |
Stuart Freeborn | Crew | Costume & Make-Up | Makeup Artist |
Tessa Davies | Crew | Costume & Make-Up | Set Dressing Artist |
Tiny Nicholls | Crew | Costume & Make-Up | Costume Supervisor |
 Vic Armstrong | Crew | Crew | Stunts |
Peter Bloor | Crew | Lighting | Electrician |
Steve Lanning | Crew | Directing | Assistant Director |
John Chisholm | Crew | Art | Property Master |
Gerry Anstiss | Crew | Camera | Camera Operator |
 Anthony Nicholls | Cast | Actor | Dr. Becker |
 Betty McDowall | Cast | Actress | American Secretary |
Bill Reimbold | Cast | Actor | General (uncredited) |
 Billie Whitelaw | Cast | Actress | Mrs. Baylock |
 Bruce Boa | Cast | Actor | Thorn's Aide |
 Burnell Tucker | Cast | Actor | Secret Service Man (uncredited) |
 David Warner | Cast | Actor | Keith Jennings |
Dawn Perllman | Cast | Actress | Chambermaid |
 Don Fellows | Cast | Actor | Thorn's Second Aide |
Freda Dowie | Cast | Actress | Nun (uncredited) |
 Gregory Peck | Cast | Actor | Robert Thorn |
 Guglielmo Spoletini | Cast | Actor | Italian Taxi Driver (uncredited) |
Harvey Bernhard | Cast | Actor | Man walking across street (uncredited) |
 Harvey Stephens | Cast | Actor | Damien |
 Holly Palance | Cast | Actress | Young Nanny |
 John Stride | Cast | Actor | Psychiatrist |
 Lee Remick | Cast | Actress | Katherine Thorn |
 Leo McKern | Cast | Actor | Carl Bugenhagen (uncredited) |
 Martin Benson | Cast | Actor | Father Spiletto |
 Michael Byrne | Cast | Actor | Monk (uncredited) |
 Miki Iveria | Cast | Actress | First Nun |
Nancy Mannigham | Cast | Nurse | |
 Nicholas Campbell | Cast | Actor | Marine |
 Patrick Troughton | Cast | Actor | Father Brennan |
 Robert MacLeod | Cast | Actor | Horton |
 Robert Rietti | Cast | Actor | Monk |
 Ronald Leigh-Hunt | Cast | Actor | Gentleman at Rugby Match (uncredited) |
 Roy Boyd | Cast | Actor | Reporter |
 Sheila Raynor | Cast | Actress | Mrs. Horton |
 Tommy Duggan | Cast | Actor | Priest |
Ya'ackov Banai | Cast | Actor | Arab (uncredited) |
Patrick McAlinney | Cast | Actor | Photographer |
 Michael Leader | Cast | Actor | Rugby Match Spectator (uncredited) |
| Person | Type | Job | Role(s) |
