Emmet Kirwan
— Jason
Ian Lloyd Anderson
— Daniel
Sarah Greene
— Lisa
Seána Kerslake
— Gemma
Mark O'Halloran
— Bates
Bryan Quinn
— Charlie Hayes
Stephen Jones
— Bobby
Leah Minto
— Aisling
Ciaran Grace
— Glen
Aaron Heffernan
— Aaron
Liam Heslin
— Dave the Rave
Nima Taleghani
— DJ Reck
Elizabeth Moynihan
— Landlady
Calum Jess
— Young Jason
Malcolm Denby
— Young Daniel
Tony Doyle
— Young Addict
Fionn Foley
— Galwegian
Libby Conway Dunne
— Young Girl
Janet Moran
— Female Detective
Mark O'Rowe
— Man with Cat
Terry O'Neill
— Guard
Ben Ritchie
— Young Fella
Michael Power
— John Sergeant
Derek Carroll
— Ferry man, Raver (uncredited)