Michael McElhatton

as Roose Bolton

as Black Clad Alpha

as Black Clad Alpha

as Prosecutor Andrei Stepashin

as Jack's Eye

as Sheriff Sheldon

as Bernard de Latour

as Jim Kavanagh

as Tam al'Thor

as Jafet Lindeberg

as Bill Tuttle

as Jerzyk

as Rob Breedlove

as General McEntee

as Dr. Markoe

as Walter Curly

as Colm Donnelly

as Mr. Moore

as Laurence (voice)

as Philipp Lenard

as Liam Hughes

as Sam

as Robbie

as Sir Arthur Conan Doyle

as John Potter

as Robert

as Ivan

as James Clarke

as CC Ronald Gregory

as Leo Amery MP

as Ward

as Frank

as Matt Quinn

as Mechanic

as Martin (voice)

as Frank Delaney

as Jock

as Albert Hatton

as Jean de Merteuil

as Johnner Doyle

as Dr. Alex Loden

as John Hawkins

as Finbar

as Pat Lynch

as Felix (voice)

as Black Knight

as Ross

as John Traynor

as Brian

as Lieutenant

as Poem Narrator

as Rats

as Ghost of Christmas Present

as Detective Sergeant Hogan

as Cathal Brugha

as Garrett

as Voice

as John

as Orson

as Petrovich (voice)

as narrator

as Self - Narrator (voice)

as Eamonn McCarty

as Narrator