Kenneth Branagh as Hercule Poirot

Tom Bateman as Bouc

Michelle Pfeiffer as Caroline Hubbard

Johnny Depp as Edward Ratchett

Josh Gad as Hector MacQueen

Willem Dafoe as Gerhard Hardman

Judi Dench as Princess Dragomiroff

Derek Jacobi as Edward Henry Masterman

Leslie Odom Jr. as Dr. Arbuthnot

Daisy Ridley as Miss Mary Debenham

Penélope Cruz as Pilar Estravados

Olivia Colman as Hildegarde Schmidt

Lucy Boynton as Countess Elena Andrenyi

Marwan Kenzari as Pierre Michel

Manuel Garcia-Rulfo as Biniamino Marquez

Sergei Polunin as Count Rudolph Andrenyi

Paapa Essiedu as Young Policeman

Yassine Zeroual as Young Boy

Asan N'Jie as Hotel Waiter

Michael Rouse as British Police Chief Inspector

Elliot Levey as Rabbi

David Annen as Priest

Joseph Long as Imam

Andy Apollo as Armed Policeman

Hadley Fraser as British Military Escort

Ziad Abaza as Arab Shipmate

Nari Blair-Mangat as Waiter

Luke Brady as Waiter

Miltos Yerolemou as Old Turk Baker

Kathryn Wilder as Prostitute

Gerard Horan as Aynesworth

Richard Clifford as Maître d'

Sid Sagar as Sleeping Car Attendant

Adam Garcia as Italian Fan

Harry Lister Smith as Stockman

Darryl Clark as Salon Barman

Anoushka Lucas as Pianist

Matthew Hawksley as Waiter

Crispin Letts as Head Waiter

Yasmin Harrison as Dining Car Sous Chef

Kate Tydman as Chef

Pip Jordan as Kitchen Car Sous Chef

Chris Porter as Station Master

Jack Riddiford as Police Captain

Joshua Lacey as Track Foreman

Phil Dunster as Colonel John Armstrong

Miranda Raison as Sonia Armstrong

Ansu Kabia as Police Captain (Newsreel)

Hayat Kamille as Susanne

Rami Nasr as McQueen's Father

Todd Boyce as Judge

Irfan Shamji as Yugoslavian Police Officer

Tom Hanson as British Military Officer