John Simm as Jip

Shaun Parkes as Koop

Nicola Reynolds as Nina

Lorraine Pilkington as Lulu

Danny Dyer as Moff

Dean Davies as Lee

Andrew Lincoln as Felix

Terence Beesley as Moff's Father

Jo Brand as Reality (voice)

Richard Coyle as Andy

Jan Anderson as Karen Benson

Carl Cox as Pablo Hassan

Stephanie Brooks as Fleur

Howard Marks as Howard Marks

Helen Griffin as Jip's Mother

Danny Midwinter as Tyrone

Justin Kerrigan as Ziggy Marlon

Tyrone Johnson as Hip Hop Junkie

Larrington Walker as Koop's Father

Philip Rosch as Jip's Manager

Peter Albert as Lulu's Uncle Albert

Menna Trussler as Lulu's Auntie Violet

Mark Seaman as Jeremy Faxman

Lynne Seymour as Connie

Patrick Taggart as Luke

Anna Wilson as Boomshanka

Robert Marable as Casey

Nick Kilroy as Herbie

Peter Bramhill as Matt

Carol Harrison as Moff's Mother

Anne Bowen as Moff's Grandmother

Giles Thomas as Martin

Sarah Blackburn as Jip's Ex #2

Eilian Wyn as Doctor

Neil Bowens as Asylum Doorman

Roger Evans as Inca

Bradley Freegard as Tyler

Emma Hall as Trixi

Elizabeth Harper as Jip's Ex #1

Jennifer Hill as Jip's Secretary

Nicola Heywood-Thomas as TV Interviewer

Robert Marrable as Casey

Louis Marriot as Cardiff Bad Boy

Millsy in Nottingham as Millsy From Roath

Robbie Newby as Karen Benson's Boyfriend

Ninjah as Tom Tom's MC

Cadfan Roberts as Jip's Mother's Client

Mad Doctor X as Koop's Workmate

Jason Samuels as Bad Boy

Tim Hamilton as Breakdancer / Bodypopper

Alicia Ferraboschi as Bodypopper

Sherena Flash as Bodypopper

Marat Khairoullin as Bodypopper

Adam Pudney as Bodypopper

Mark Seymore as Bodypopper

Algernon Williams as Bodypopper

Colin Williams as Bodypopper

Frank Wilson as Bodypopper

Nicki Davy as Jip's Ex #3