 Kenneth BranaghHercule Poirot | Hercule Poirot |
 Tom BatemanBouc | Bouc |
 Annette BeningEuphemia Bouc | Euphemia Bouc |
 Russell BrandWindlesham | Windlesham |
 Ali FazalAndrew Katchadourian | Andrew Katchadourian |
 Dawn FrenchBowers | Bowers |
 Gal GadotLinnet Ridgeway | Linnet Ridgeway |
 Armie HammerSimon Doyle | Simon Doyle |
 Rose LeslieLouise Bourget | Louise Bourget |
 Emma MackeyJacqueline de Bellefort | Jacqueline de Bellefort |
 Sophie OkonedoSalome Otterbourne | Salome Otterbourne |
 Jennifer SaundersMarie Van Schuyler | Marie Van Schuyler |
 Letitia WrightRosalie Otterbourne | Rosalie Otterbourne |
 Michael RousePrivate Laurin | Private Laurin |
 Alaa SafiCorporal | Corporal |
| OOrlando SealeCaptain Rens | Captain Rens |
 Charlie AnsonSergeant Verhaeren | Sergeant Verhaeren |
| DDanny HughesSoldier 1 | Soldier 1 |
 Sam MacSoldier 2 | Soldier 2 |
 James SchofieldGerman Soldier 1 | German Soldier 1 |
 George JaquesGerman Soldier 2 | German Soldier 2 |
 Jonah RzeskiewiczGerman Soldier 3 | German Soldier 3 |
| EEleanor de RohanNurse | Nurse |
 Susannah FieldingKatherine | Katherine |
 Adam GarciaSyd (Photographer) | Syd (Photographer) |
 Rick WardenMonsieur Blondin | Monsieur Blondin |
 Noel WhiteMaître 'D Chez Ma Tente | Maître 'D Chez Ma Tente |
| EEdward RichesRhythm Guitar (Band) | Rhythm Guitar (Band) |
| DDan EllisDrums (Band) | Drums (Band) |
| MMegan AffonsoPiano (Band) | Piano (Band) |
