Conleth Hill

as Ham Gilyard

as Harry Montague

as Dr. Taggart ("The Good Word")

as Mark Kearney

Director

as Professor Aaron Östergaard

as Aido Deveney

as Self (voice)

as Roger Alton

as Self

as Douglas Innis

as John O'Mahony

as Varys (voice)

as George

as Johnny Rafferty

as Ritchie McKee

as Sandy Duffy

as Sergeant Upton

as Varys

as Frank

as Doctor Chaney

as Jackie Fullerton

as Stevie

as Commissioner Sir Ian Blair • 4 eps

as Alan Conway • 5 eps

as Pope Gregory XIII • 1 eps

as Philip • 2 eps

as Martin Parker • 6 eps

as Dr Alwyn Thomas • 3 eps

as as Sergeant PJ Collins • 4 eps

as Alan Conway • 6 eps

as Brennan • 1 eps

as Mendel Liebermann • 11 eps

as Superintendent O'Kelly • 8 eps

as Jon Pitt • 1 eps

as Carlos Santini • 1 eps

1 eps

as Reverend Huxley • 1 eps

as Bonham • 2 eps

as Self - Guest • 1 eps

as Stevie • 1 eps

as Edward Darby • 6 eps

as Lord Varys • 56 eps

as Self • 1 eps

6 eps

as Self • 1 eps

as Sir Ian Woodhead • 1 eps