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