Jonathan Pryce as Capt. William Rivers

James Wilby as 2nd Lt. Siegfried Sassoon

Jonny Lee Miller as 2nd Lt. Billy Prior

Stuart Bunce as 2nd Lt. Wilfred Owen

Tanya Allen as Sarah Lumb

Dougray Scott as Capt. Robert Graves

David Hayman as Maj. Bryce

John Neville as Dr. Yealland

Paul Young as Dr. Brock

Alastair Galbraith as Capt. Campbell

Eileen Nicholas as Miss Crowe

Julian Fellowes as Timmons

David Robb as Dr. McIntyre

Kevin McKidd as Callan

Rupert Procter as Capt. David Burns

Angela Bradley as Nurse Alison

Finlay McLean as Huntley

Jeremy Child as Balfour Graham

Jenny Ryan as Madge

Andrew Woodall as Willard

James McAvoy as Anthony Balfour

Kate Donnelly as Lizzie

Lee Brown as Logan

Joel Strachan as Martin

Russell Barr as Sassoon's Soldier

Bob Docherty as Man in Pub

Jerome Boyle as German Machine gunner

Joseph Andrew Mclean as German Soldier

Kenny Park as Sawdon

Mary Jane Wells as VAD nurse (uncredited)