Fionn Whitehead character Tommy
Tom Glynn-Carney character Peter Dawson
Aneurin Barnard character Gibson
Jack Lowden character Collins
Harry Styles character Alex
James D'Arcy character Lieutenant-Colonel Winnant, BEF
Barry Keoghan character George Mills
Kenneth Branagh character Commander Bolton of the Royal Navy
Cillian Murphy character Shivering Soldier
Mark Rylance character Mr. Dawson
Tom Hardy character Farrier
Michael Caine character Radio Communication (voice) (uncredited)
Billy Howle character Petty Officer
Bobby Lockwood character Seaman on Hospital Ship
Miranda Nolan character Nurse on Destroyer
Kevin Guthrie character A&SH BEF soldier
Brian Vernel character A&SH BEF soldier
Elliott Tittensor character Highlander
Matthew Marsh character Rear-Admiral of the Royal Navy
Jochum ten Haaf character Dutch Trawler Man
Damien Bonnard character French Soldier
Adam Long character Second Lt. Jeffries
Michael Fox character Royal Engineer, BEF
Harry Richardson character Private
Will Attenborough character Lt. Howe of the Royal Navy
James Bloor character Oily Survivor
Paul Riley Fox character British Soldier
Richard Sanderson character Heinkel Spotter
Valiant Michael character Warrant Officer
Johnny Otto character Captain Marshall
Jan-Michael Rosner character British Soldier
Brandon Duracher character Soldier
Samgar Jacobs character Royal Navy
Robby Prinsen character Royal Navy Officer
Simon Ates character British Expeditionary Force Soldier
Caleb Bailey character Soldier
Thomas Millet character French Soldier
Constantin Balsan character French Soldier
Aldo Beqiri character French Soldier
Sander Huisman character British Expeditionary Force Soldier
Callum Blake character Private Davies
Luke Thompson character Warrant Officer
Crystal Pereyra character Nurse on Destroyer
Bram Vlot character Royal Navy Sailor
Calam Lynch character Sailor from Deal
Jack Riddiford character Private Edwards
Merlijn Willemsen character British Soldier on the Sittard
Michel Biel character French Soldier
Niels van 't Dek character Sailor on Destroyer
Nirman Wolf character Marine
Tom Gill character Furious Soldier
Nick Vorsselman character British Expeditionary Force Soldier
Jedediah Jenk character British Expeditionary Force Soldier
Christian Janner character British Soldier
Bradley Hall character Sailor on Destroyer
Jack Gover character British Soldier
Davey Jones character British Soldier / Station Officer
Charley Palmer Rothwell character Corporal
Kim Hartman character Stewardess
Bill Milner character Lone Private
Eric Richard character Man at Railway Window
Harry Collett character Boy
John Nolan character Old Man
Tom Nolan character Lieutenant
