Conor Mullen

as Barbierri

as Officer James

as Anders

as Michael Bright

as George McClelland (1 episode)

as Alcoholic CEO (1 episode)

as Graham Doherty (1 episode)

as Seamus Cassidy (1 episode)

as Collie Larkin (3 episodes)

as Frank Ahern (18 episodes)

as Mr. McKenzie (3 episodes)

as Tom (1 episode)

as Jim Laurel

as Gay Byrne

as Will (6 episodes)

as Duncan

as Stephen Renney

as Ivo Schricker

as Harry McMurty

as Eoin

as Dr. Spengelman

as Mike Appleton

as Frank

as Brother Cornelius

as DCI Patrick Goddard (6 episodes)