Hugh O'Conor

as Lt. Arthur Dickson

Owen McDonnell

as Ned Daly

Rick Burn

as Jack Shouldice

Karen Ardiff

as Sarah Hughes

Megan Cassidy

as May Cullen

Gina Costigan

as Bridget Grace

Johnny Eveson

as Capt. F. C. Dietrichsen

Neill Fleming

as Lt. Col. Henry Taylor

Colin D. Farrell

as Frank Shouldice

Seamus Hughes

as Michael Malone

Duncan Lacroix

as Sgt. Charlie Faulkner

Susie Lambe

as Ellen Walsh

Steve McCarten

as Corporal William Bullock

Malachy McKenna

as George Reynolds

Sophie Merry

as Beatrice Dietrichsen

David Moran

as Priest

Steven Neeson

as Private Banting

Cillian O'Donnachadha

as Seamus Grace

Lochlann Ó Mearáin

as Piaras Béaslaí

Sean O'Neil

as Sgt. Sam Cooper

Dave Sheridan

as Red Cross Official

Mark Tankersley

as Col. E.W.S.K. Maconchy

Noel Whelan

as Lt. William Hawkins

Seán T. Ó Meallaigh

as James Doyle