Jamie Blackley

as Jack

Sean Teale

as Chunks

Mike Bailey

as Parsons

Amber Anderson

as Elinor

Rosamund Hanson

as Clare

Adam Gillen

as Splodger

Michael Smiley

as Killer Colin

Hera Hilmar

as Iona

Stephen Boxer

as Dr Stevens

Danielle Bux

as Megan

Dominic Coleman

as Mr Parsons

Natalie Danks-Smith

as Jack's Mum

Jo Enright

as Manager

Amanda Lawrence

as Mrs Parsons

Sean Connolly

as Desk Sergeant

Shani Dhanda

as Party Guest