Nicholas Hoult as David Philips

Tommy Jessop as Ben Philips

Julia Ford as Sheila Philips

Neil Dudgeon as John Philips

Emer Kenny as Gail

Katie Griffiths as Alice

Brendan Heaney as Gary Jeavons

Josh Cohen as Rob

Charlotte Grant as Abby

Emon Hussain as Sunil

Rajvinder Lali as Yasmin

Joe Sproulle as Henry

Charlie Clapham as Greg

Jamie-Ray Hartshorne as Damon

Lewis Snow as Kevin

Natalie Wilson as Natasha

Louisa Connolly-Burnham as School Girl (uncredited)