as

Vasily Zarubin

as

Freddy Darby

as

Power

as

Hunne

as

Self

as

Steven Shadowwhispers (voice)

as

Valentine Barber

as

James Joyce

as

Butler

as

Peter

as

Jack Blackwell

as

Milo Sunter

as

Frank Kinsella

as

Aidan

as

Narrator (voice)

as

Allen Hynek

as

Aidan

as

Janson

as

Dave Allen

as

John Reid

as

William "Goosefat Bill"

as

Robert

as

Littlefinger (voice)

as

Timothy Leary

as

Aidan

as

Timothy Leary

as

Ambrosio O'Higgins

as

Robert Lawlor

as

Paul Serene

as

Pelf

as

Carver

as

Janson

as

Will

as

Narrator

as

Charles J. Haughey

as

Dr. Frank Harte

as

Master

as

Lars

as

Gerry Devine

as

Clayton Cote

as

Ray

as

Man (Ekki Múkk)

as

Everett Newcombe

as

Aberama Gold

as

Gerry

as

CIA Op

as

Man

as

Michael

as

Bill Wilson (archive footage)

as

Barry Weiss

as

Patrick

as

Petyr 'Littlefinger' Baelish

as

Phil Hendricks

as

Aiden

as

DI John Bloom

as

John Boy Power

as

Phil Hendricks

as

Miles Jackson

as

Gus

as

Karl

as

Self

as

Self

as

Paul

as

Self

as

Conor

as

Jimmy Colby

as

Joe Wilde

as

Lord Nelson Rathbone

as

Stephen

as

Steve Fallon

as

Dave Turner

as

Tommy Carcetti

as

Puttnam

as

Frank

as

Carver Doone

as

Glenn Taylor

as

Jeff Obold

as

Francis

as

Pool Player

as

Carver Doone

as

Stuart Alan Jones

as

Frank

as

Baby

as

Paddy

as

Gerard Quigley

as

Aidan Lynch

as

Gypo

as

Marine Wilcox

as

Harry

as

James Crozier

as

Martin Kemp (as Adrian Murphy)

as

Amyas Crale

as

Prostitute Boy

as

Harry

as

Youth at Liquor Store (as Aiden Murphy)

as

Jeff Barratt