Fionn Whitehead
Tommy
Tom Hardy
Farrier
Mark Rylance
Mr. Dawson
Kenneth Branagh
Commander Bolton
Cillian Murphy
Shivering Soldier
Barry Keoghan
George
Harry Styles
Alex
Aneurin Barnard
Gibson
Damien Bonnard
French Soldier
Lee Armstrong
Grenadier
James Bloor
Irate Soldier
Tom Glynn-Carney
Peter
Jack Lowden
Collins
Luke Thompson
Warrant Officer
Michel Biel
French Soldier 2
Constantin Balsan
French Soldier 3
Billy Howle
Petty Officer
Mikey Collins
Soldier
Callum Blake
Stretcher Bearer
Dean Ridge
Soldier at the Gap
Bobby Lockwood
Able Seaman
Will Attenborough
Second Lieutenant
Tom Nolan
Lieutenant
James D'Arcy
Colonel Winnant
Matthew Marsh
Rear Admiral
Adam Long
Sub-Lieutenant
Miranda Nolan
Nurse
Bradley Hall
Sailor
Jack Cutmore-Scott
Lifeboat Soldier 1
Brett Lorenzini
Lifeboat Soldier 2
Michael Fox
Engineer
Brian Vernel
Highlander 1
Elliott Tittensor
Highlander 2
Kevin Guthrie
Highlander 3
Harry Richardson
Private
Jochum ten Haaf
Dutch Seaman
Johnny Gibbon
Junior Naval Officer
Richard Sanderson
Heinkel Spotter
Kim Hartman
Stewardess
Calam Lynch
Deal Sailor
Charley Palmer Rothwell
Corporal
Tom Gill
Furious Soldier
John Nolan
Blind Man
Bill Milner
Lone Private
Jack Riddiford
Soldier on RN Launch
Harry Collett
Boy
Eric Richard
Man at Railway Window
Michael Caine
Voice on Radio (uncredited)
Johnny Otto
Captain Marshall (uncredited)