| Person | Type | Job | Role(s) |
|---|---|---|---|
 Agatha Christie | Crew | Writing | Novel |
 Andy Nelson | Crew | Sound | Sound Re-Recording Mixer |
 Celia Bobak | Crew | Art | Set Decoration |
Colin Nicolson | Crew | Sound | Production Sound Mixer |
Dan Lowe | Crew | Lighting | Gaffer |
 Haris Zambarloukos | Crew | Camera | Director of Photography |
 James Mather | Crew | Sound | Supervising Sound Editor |
 James O'Donnell | Crew | Crew | Stunt Coordinator |
John Paul Kelly | Crew | Art | Production Design |
Judy Hofflund | Crew | Production | Producer |
 Kenneth Branagh | Crew | Directing | Director, Producer |
 Lucy Bevan | Crew | Production | Casting |
 Mark Gordon | Crew | Production | Executive Producer |
Mark Taylor | Crew | Sound | Sound Re-Recording Mixer |
 Michael Green | Crew | Writing | Screenplay |
Peter Russell | Crew | Art | Supervising Art Director |
 Ridley Scott | Crew | Production | Producer |
Sammy Sheldon | Crew | Costume & Make-Up | Costume Design |
Artemis Oikonomopoulou | Crew | Visual Effects | VFX Supervisor, Visual Effects Supervisor |
Gavin Gregory | Crew | Visual Effects | Visual Effects Producer |
Massimiliano Ubaldi | Crew | Crew | Stunt Coordinator |
Simon Chase | Crew | Sound | Supervising Sound Editor |
 Simon Kinberg | Crew | Production | Producer |
Sue Harding | Crew | Sound | Foley Artist |
Louise Killin | Crew | Production | Executive Producer |
 Hildur Guðnadóttir | Crew | Sound | Original Music Composer |
James Hayday | Crew | Sound | Sound Effects Editor |
Wakana Yoshihara | Crew | Costume & Make-Up | Hair Designer, Makeup Designer |
Adam Mendez | Crew | Sound | Foley Mixer |
Sophia Hardman | Crew | Sound | Foley Editor |
 Matt Curtis | Crew | Art | Title Designer |
Stephanie Clerkin | Crew | Art | Assistant Art Director |
 James Prichard | Crew | Production | Executive Producer |
Martin Curry | Crew | Production | Associate Producer, First Assistant Director |
Lucy Donaldson | Crew | Editing | Editor |
Oliver Ferris | Crew | Sound | Foley Artist |
Liza Carmel | Crew | Production | Unit Production Manager, Production Manager |
Richard Usher | Crew | Art | Standby Art Director |
 Anna Brabbins | Crew | Directing | Second Assistant Director |
Tomas Blazukas | Crew | Sound | Sound Designer |
Tom Darby-Evans | Crew | Production | Production Supervisor |
Christina Petrou | Crew | Crew | Stunt Double, Stunts |
Holly Freeman | Crew | Costume & Make-Up | Costume Supervisor |
Callum Haden | Crew | Art | Set Dresser, Dressing Prop |
Katie Brydon | Crew | Production | Casting Associate |
 Nikita Mitchell | Crew | Crew | Stunt Double, Stunts |
Chris Stephenson | Crew | Art | Art Direction |
Doren John Farmer | Crew | Crew | Stunt Double, Stunts |
 Peter Alberti | Crew | Crew | Stunt Double, Stunts |
Dave Mackie | Crew | Sound | Foley Editor |
Emma Ryder | Crew | Art | Assistant Art Director |
 David Menkin | Cast | Actor | Puppet Show MC |
 Kelly Reilly | Cast | Actress | Rowena Drake |
Kenneth Branagh | Cast | Actor | Hercule Poirot |
 Michelle Yeoh | Cast | Actress | Joyce Reynolds |
 Tina Fey | Cast | Actress | Ariadne Oliver |
 Camille Cottin | Cast | Actress | Olga Seminoff |
 Jamie Dornan | Cast | Actor | Dr Leslie Ferrier |
 Lorenzo Acquaviva | Cast | Actor | Grocer |
 Riccardo Scamarcio | Cast | Actor | Vitale Portfoglio |
 Amir El-Masry | Cast | Actor | Alessandro Longo |
 Kyle Allen | Cast | Actor | Maxime Gerard |
 Emma Laird | Cast | Actress | Desdemona Holland |
 Ali Khan | Cast | Actor | Nicholas Holland |
Clara Duczmal | Cast | Child (Crying Girl) | |
 Vanessa Ifediora | Cast | Sister Maria Felicitas | |
Winnie Soldi | Cast | Police Captain | |
 Jude Hill | Cast | Actor | Leopold Ferrier |
Emilio Villa-Muhammad | Cast | Child (Staircase 2) | |
| Person | Type | Job | Role(s) |
