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)

Nick Howden-Steenstra

British Soldier (uncredited)