Aidan Gillen

Dave Allen

Ian McElhinney

Priest

Julian Rhind-Tutt

Richard Stone

Conleth Hill

John O'Mahony

Ferdia Walsh-Peelo

Dave, aged 18

Robert Bathurst

Charles Curran

Pauline McLynn

Sister Mary

Miranda Hennessy

Sketch Artist

Tommy Tiernan

Cully Tynan O'Mahony

Joanne Crawford

Jean O'Mahony

Simon Day

Lew Grade

Sam Hardy

John, aged 7

Daniel Kendrick

Kenny

Ely Solan

Dave, aged 12

David Seymour

Sketch Artist

Gareth O'Connor

John, aged 20

Abe Smyth

Sketch Artist

Senan Jennings

Dave, aged 5

Colin Ash

Tailor

Seán Treacy

John aged 14

Steven Shapland

Sketch Artist

Jonathan Jules

Comedian

Brett Wilson

Clive

Richard Clements

Martin

Mark Quigley

Butlins Camper (uncredited)