| Person | Type | Job | Role(s) |
|---|---|---|---|
 Agatha Christie | Crew | Writing | Novel, Writer |
 Alec Mills | Crew | Camera | Camera Operator |
 Anthony Powell | Crew | Costume & Make-Up | Costume Design |
 Anthony Shaffer | Crew | Writing | Screenplay |
Barrie Melrose | Crew | Production | Production Manager |
Betty Glasow | Crew | Costume & Make-Up | Hairdresser |
Bill Rowe | Crew | Sound | Sound Recordist |
Brian Ackland-Snow | Crew | Art | Art Direction |
Chris Carreras | Crew | Directing | Assistant Director |
Connie Willis | Crew | Directing | Continuity |
 Dyson Lovell | Crew | Production | Casting |
Edna Tromans | Crew | Production | Publicist |
Freddie Williamson | Crew | Costume & Make-Up | Makeup Artist |
 Jack Cardiff | Crew | Camera | Director of Photography |
John Brabourne | Crew | Production | Producer |
 John Guillermin | Crew | Directing | Director |
John Paterson | Crew | Art | Construction Manager |
John W. Mitchell | Crew | Sound | Sound Recordist |
 Keith Hamshere | Crew | Camera | Still Photographer |
Malcolm Cooke | Crew | Editing | Editor |
Nicholas Stevenson | Crew | Sound | Sound Editor |
 Nino Rota | Crew | Sound | Original Music Composer |
Norton Knatchbull | Crew | Production | Associate Producer |
Peter Murton | Crew | Art | Production Design |
Richard Goodwin | Crew | Production | Producer |
Ron Purdie | Crew | Production | Unit Manager |
Rosemary Burrows | Crew | Costume & Make-Up | Costume Supervisor |
Terry Ackland-Snow | Crew | Art | Art Direction |
 Wayne Sleep | Crew | Crew | Choreographer |
John Richards | Crew | Sound | Sound Recordist |
Ramon Gow | Crew | Costume & Make-Up | Hairdresser |
Jim Brennan | Crew | Production | Location Manager |
Marcus Dods | Crew | Sound | Conductor |
Ted Sturgis | Crew | Directing | Second Assistant Director |
W.C. 'Chunky' Huse | Crew | Camera | Grip |
Chris Kelly | Crew | Editing | Assistant Editor |
John Cardiff | Crew | Camera | Second Unit Director of Photography |
Elisabeth Woodthorpe | Crew | Production | Production Secretary |
Brian Harris | Crew | Production | Accountant |
Andrew Manson | Cast | Egyptian (uncredited) | |
 Angela Lansbury | Cast | Actress | Salome Otterbourne |
 Barbara Hicks | Cast | Actress | Schoolteacher (uncredited) |
 Bette Davis | Cast | Actress | Marie Van Schuyler |
 Celia Imrie | Cast | Actress | Maid (uncredited) |
 David Niven | Cast | Actor | Colonel Race |
 George Kennedy | Cast | Actor | Andrew Pennington |
 Harry Andrews | Cast | Actor | Barnstaple |
 I.S. Johar | Cast | Actor | Mr. Choudhury |
 Jack Warden | Cast | Actor | Ludwig Bessner |
 Jane Birkin | Cast | Actress | Louise Bourget |
 Jon Finch | Cast | Actor | James Ferguson |
 Lois Chiles | Cast | Actress | Linnet Ridgeway Doyle |
 Maggie Smith | Cast | Actress | Miss Bowers |
 Mia Farrow | Cast | Actress | Jacqueline de Bellefort |
 Olivia Hussey | Cast | Actress | Rosalie Otterbourne |
 Peter Ustinov | Cast | Actor | Hercule Poirot |
 Reg Lye | Cast | Actor | Workman (uncredited) |
 Saeed Jaffrey | Cast | Actor | Servant (uncredited) |
 Sam Wanamaker | Cast | Actor | Rockford |
 Simon MacCorkindale | Cast | Actor | Simon Doyle |
 François Guillaume | Cast | Actor | Doublure Lumière (uncredited) |
| Person | Type | Job | Role(s) |
