| Person | Type | Job | Role(s) |
|---|---|---|---|
 Agatha Christie | Crew | Writing | Novel, Writer |
 Anne V. Coates | Crew | Editing | Editor |
 Bill Rowe | Crew | Sound | Sound |
Charles E. Parker | Crew | Costume & Make-Up | Makeup Artist |
 Geoffrey Unsworth | Crew | Camera | Director of Photography |
Jack Causey | Crew | Art | Production Design, Production Manager |
Jack Stephens | Crew | Art | Art Direction |
John Brabourne | Crew | Production | Producer |
John O'Gorman | Crew | Costume & Make-Up | Makeup Artist |
Jonathan Bates | Crew | Sound | Sound Editor |
Norton Knatchbull | Crew | Production | Location Manager |
 Paul Dehn | Crew | Writing | Screenplay |
Peter Handford | Crew | Sound | Sound |
Richard Goodwin | Crew | Production | Producer |
Richard Hiscott | Crew | Editing | Assistant Editor |
Richard Rodney Bennett | Crew | Sound | Original Music Composer |
 Sidney Lumet | Crew | Directing | Director |
Stuart Freeborn | Crew | Costume & Make-Up | Makeup Artist |
 Tony Walton | Crew | Art | Production Design, Costume Design |
Ramon Gow | Crew | Costume & Make-Up | Hair Supervisor |
Jim Brennan | Crew | Production | Unit Manager |
 François Guillaume | Crew | Crew | Stand In |
Ted Sturgis | Crew | Directing | First Assistant Director |
Brenda Dabbs | Crew | Costume & Make-Up | Wardrobe Supervisor |
Louis Fleury | Crew | Production | Production Manager |
Nat Cohen | Crew | Crew | Presenter |
Elisabeth Woodthorpe | Crew | Production | Production Secretary |
 Albert Finney | Cast | Actor | Hercule Poirot |
 Anthony Perkins | Cast | Actor | Hector MacQueen |
 Colin Blakely | Cast | Actor | Mr. Cyrus Hardman |
 David de Keyser | Cast | Actor | Turkish Ticket Collector (uncredited) |
 Denis Quilley | Cast | Actor | Foscarelli |
 George Coulouris | Cast | Actor | Doctor |
 Ingrid Bergman | Cast | Actress | Greta Ohlson |
 Jacqueline Bisset | Cast | Actress | Countess Andrenyi |
 Jean-Pierre Cassel | Cast | Actor | Pierre Paul Michel |
 Jeremy Lloyd | Cast | Actor | A.D.C. |
 John Gielgud | Cast | Actor | Mr. Beddoes |
 John Moffatt | Cast | Actor | Chief Attendant |
 Lauren Bacall | Cast | Actress | Mrs. Harriet Belinda Hubbard |
 Leon Lissek | Cast | Actor | Dining Car Steward (uncredited) |
 Martin Balsam | Cast | Actor | Signor Bianchi |
 Michael York | Cast | Actor | Count Andrenyi |
 Rachel Roberts | Cast | Actress | Hildegarde Schmidt |
 Richard Widmark | Cast | Actor | Mr. Ratchett |
 Sean Connery | Cast | Actor | Colonel Arbuthnot |
 Vanessa Redgrave | Cast | Actress | Mary Debenham |
 Vernon Dobtcheff | Cast | Actor | Concierge |
 Vic Tablian | Cast | Actor | Hawker (uncredited) |
 Wendy Hiller | Cast | Actress | Prinzessin Dragomiroff |
Andrew Andreas | Cast | Waiter (uncredited) | |
| Person | Type | Job | Role(s) |
