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
David Seymour
Sketch Artist
Gareth O'Connor
John, aged 20
Senan Jennings
Dave, aged 5
Steven Shapland
Sketch Artist
Mark Quigley
Butlins Camper (uncredited)