Kenneth Branagh

Character: Hercule Poirot

Tom Bateman

Character: Bouc

Annette Bening

Character: Euphemia Bouc

Russell Brand

Character: Windlesham

Ali Fazal

Character: Andrew Katchadourian

Dawn French

Character: Bowers

Gal Gadot

Character: Linnet Ridgeway

Armie Hammer

Character: Simon Doyle

Rose Leslie

Character: Louise Bourget

Emma Mackey

Character: Jacqueline de Bellefort

Sophie Okonedo

Character: Salome Otterbourne

Jennifer Saunders

Character: Marie Van Schuyler

Letitia Wright

Character: Rosalie Otterbourne

Michael Rouse

Character: Private Laurin

Alaa Safi

Character: Corporal

Orlando Seale

Character: Captain Rens

Charlie Anson

Character: Sergeant Verhaeren

Danny Hughes

Character: Soldier 1

Sam James Page

Character: Soldier 2

James Schofield

Character: German Soldier 1

George Jaques

Character: German Soldier 2

Jonah Rzeskiewicz

Character: German Soldier 3

Eleanor de Rohan

Character: Nurse

Susannah Fielding

Character: Katherine

Adam Garcia

Character: Syd (Photographer)

Rick Warden

Character: Monsieur Blondin

Noel White

Character: Maître 'D Chez Ma Tente

Edward Riches

Character: Rhythm Guitar (Band)

Dan Ellis

Character: Drums (Band)

Megan Affonso

Character: Piano (Band)

Gwen Reed

Character: Upright Bass (Band)

Jay Phelps

Character: Trumpet (Band)

Lois Au

Character: Saxophone (Band)

Rosie Dwyer

Character: Hotel Staff 2

Niamh Lynch

Character: Female Porter

Nari Blair-Mangat

Character: Hotel Staff 3

Sid Sagar

Character: Concierge

Brenda-Jane Newhouse

Character: Receptionist

Rhiannon Clements

Character: Hotel Administrator

Daniel Cook

Character: Hotel Staff 1

Heider Ali

Character: Spice Market Merchant

Hayat Kamille

Character: Snake Handler

Crispin Letts

Character: Officier Besner

Victor Alli

Character: Marc Yves

Rachel Feeney

Character: Maxine Cardiff

Sarah Eve

Character: Hattie Pyne

Aron Julius

Character: Will Goodwin

Francis Lovehall

Character: Allerton McNaught

Stacy Abalogun

Character: Elinor Glyn

Naveed Khan

Character: Captain Mahmoud

Katie Smale

Character: Berel Genevese

Kemi Awoderu

Character: Alessande Johar