James McAvoy

Character: Bruce

Jamie Bell

Character: Lennox

Eddie Marsan

Character: Bladesey

Imogen Poots

Character: Drummond

Brian McCardie

Character: Gillman

Emun Elliott

Character: Inglis

Gary Lewis

Character: Gus

John Sessions

Character: Toal

Shauna Macdonald

Character: Carole

Jim Broadbent

Character: Dr Rossi

Joanne Froggatt

Character: Mary

Kate Dickie

Character: Chrissie

Martin Compston

Character: Gorman

Iain De Caestecker

Character: Ocky

Shirley Henderson

Character: Bunty

Joy McAvoy

Character: Estelle

Jordan Young

Character: Lexo

Pollyanna McIntosh

Character: Size Queen

Bobby Rainsbury

Character: Stephanie

Michael Moreland

Character: Tramp

Thérèse Bradley

Character: Madam Maisie

Zack Eisaku Niizato

Character: Japanese Student

Robin Laing

Character: Rent Boy

Franziska Altmeyer

Character: Hamburg Carole

Ron Donachie

Character: Hector

Tracy-Ann Oberman

Character: Diana

Mitchell Mullen

Character: Bobby

Jake Wilson

Character: Little Davie

Luke MacDonald

Character: Euan

Jodie Mccallum

Character: Dealer's Girlfriend

Chris Young

Character: Drunken Santa Claus

Jonathan Watson

Character: Uniformed Policeman

David Soul

Character: Punter

Chris Cameron

Character: Skanky Dealer

Colin Healy

Character: Colin

Lauren Maddox

Character: Posh Lady

Natasha O'Keeffe

Character: Anna

Chidi Chickwe

Character: Steven

Sanjeev Kohli

Character: Sunil

Neil D'Souza

Character: Anil

Vanda Dadras

Character: Air Stewardess

Jamie Wallace

Character: Obnoxious Son

Trudie Styler

Character: Madame R Zen Ficken

Megan Finn

Character: Stacey

Craig Garner

Character: Dwarf (uncredited)

Emma Bryant

Character: Jessie (uncredited)