Jeremy Irvine
as Albert Narracott

Peter Mullan
as Ted Narracott

Emily Watson
as Rose Narracott

Niels Arestrup
as Grandfather

David Thewlis
as Lyons

Tom Hiddleston
as Capt. James Nicholls

Benedict Cumberbatch
as Maj. Jamie Stewart

Celine Buckens
as Emilie

Toby Kebbell
as Geordie Soldier

Patrick Kennedy
as Lt. Charlie Waverly

Leonard Carow
as Michael

David Kross
as Gunther

Matt Milne
as Andrew Easton

Robert Emms
as David Lyons

Eddie Marsan
as Sgt. Fry

Nicolas Bro
as Friedrich

Rainer Bock
as Brandt

Hinnerk Schönemann
as Soldier

Gary Lydon
as Si Easton

Geoff Bell
as Sgt. Sam Perkins

Liam Cunningham
as Army Doctor

Sebastian Hülk
as German Officer at Farm

Gerard McSorley
as Market Auctioneer

Tony Pitts
as Sgt. Martin

Irfan Hussein
as Sgt. Maj. Singh

Pip Torrens
as Maj. Tompkins

Philippe Nahon
as French Auctioneer

Jean-Claude Lecas
as Butcher

Justin Brett
as Motorbike Rider

Seamus O'Neill
as Devon Farmer #1

Pat Laffan
as Devon Farmer #2

Michael Ryan
as British Trench Solder #1

Peter McNeil O'Connor
as British Trench Solder #2

Trystan Pütter
as German Trench Soldier #1

Gunnar Cauthery
as German Trench Soldier #2

Julian Wadham
as Trench Captain

Anian Zollner
as Senior German Officer

Michael Kranz
as Junior German Officer

Hannes Wegener
as German Officer

David Dencik
as Base Camp Officer

Edward Bennett
as Cavalry Recruiting Officer

Johnny Harris
as Infantry Recruitment Officer

Philip Hill-Pearson
as Wounded Soldier

Tam Dean Burn
as Medic in Trench

Alan Williams
as Hospital Orderly

Thomas Arnold
as Shouting German Officer

Maximilian Brückner
as German Artillery Officer

Markus Tomczyk
as German Artillery Soldier

Peter Benedict
as German Officer on Bridge

Callum Armstrong
as Bagpiper

Roy Holder
as Fred Goddard

Paul Alexander
as Dave Hill

Maggie Ollerenshaw
as Narracott's Neighbor

Beth Ogden
as David Lyons' Girlfriend

Martin Dew
as Lyons' Cronie

Michael Morpurgo
as Auction guest (uncredited)

Finder's Key
as Joey