| Person | Type | Job | Role(s) |
|---|---|---|---|
 Agatha Christie | Crew | Writing | Novel |
 Alan Birkinshaw | Crew | Directing | Director |
 Alexander Stuart | Crew | Writing | Screenplay |
 Billy Williams | Crew | Camera | Director of Photography |
Chris Blunden | Crew | Editing | First Assistant Editor |
 Dave Brubeck | Crew | Sound | Original Music Composer |
David Tringham | Crew | Directing | First Assistant Director |
Derek Ball | Crew | Sound | Sound Mixer |
 Desmond Davis | Crew | Directing | Director |
 Ernest Vincze | Crew | Art | Title Designer |
Garth Inns | Crew | Visual Effects | Special Effects Supervisor |
Jenny Craven | Crew | Production | Producer |
Ken Bridgeman | Crew | Art | Production Design |
Martin Grace | Crew | Crew | Stunt Coordinator |
 Menahem Golan | Crew | Production | Executive Producer |
Michael J. Kagan | Crew | Production | Associate Producer |
Michael Linn | Crew | Sound | Music Editor |
Peter Horrocks | Crew | Sound | Sound Editor |
Robin Gregory | Crew | Sound | Sound Mixer |
Sue Love | Crew | Costume & Make-Up | Hairdresser |
Sue Whatmough | Crew | Production | Casting |
Timothy Gee | Crew | Editing | Editor |
Wally Schneiderman | Crew | Costume & Make-Up | Makeup Supervisor |
 Yoram Globus | Crew | Production | Executive Producer |
Ken Shane | Crew | Directing | Third Assistant Director |
 Michael Stevenson | Crew | Directing | Second Assistant Director |
Richard Hornsby | Crew | Art | Art Direction |
Gwenda Evans | Crew | Costume & Make-Up | Costume Design |
 Anita Carey | Cast | Actress | Martha Jessup |
 Annette Crosbie | Cast | Actress | Kirsten Lindstrom |
Billy McColl | Cast | Actor | Jack Argyle |
 Brian Glover | Cast | Actor | Executioner |
 Cassie Stuart | Cast | Actress | Maureen Clegg |
 Christopher Plummer | Cast | Actor | Leo Argyle |
 Diana Quick | Cast | Actress | Gwenda Vaughan |
 Donald Sutherland | Cast | Actor | Dr. Arthur Calgary |
 Faye Dunaway | Cast | Actress | Rachel Argyle |
 George Innes | Cast | Actor | Archie Leach |
 Ian McShane | Cast | Actor | Philip Durant |
 Michael Elphick | Cast | Actor | Inspector Huish |
 Michael Maloney | Cast | Actor | Micky Argyle |
 Phoebe Nicholls | Cast | Actress | Tina Argyle |
 Ron Pember | Cast | Actor | Ferryman |
 Sarah Miles | Cast | Actress | Mary Durant |
Valerie Whittington | Cast | Actress | Hester Argyle |
Robert McBain | Cast | Actor | Hotel Manager |
| Person | Type | Job | Role(s) |
