James McAvoy

Bruce

Jamie Bell

Lennox

Eddie Marsan

Bladesey

Imogen Poots

Drummond

Brian McCardie

Gillman

Emun Elliott

Inglis

Gary Lewis

Gus

John Sessions

Toal

Shauna Macdonald

Carole

Jim Broadbent

Dr Rossi

Joanne Froggatt

Mary

Kate Dickie

Chrissie

Martin Compston

Gorman

Iain De Caestecker

Ocky

Shirley Henderson

Bunty

Joy McAvoy

Estelle

Jordan Young

Lexo

Pollyanna McIntosh

Size Queen

Bobby Rainsbury

Stephanie

Michael Moreland

Tramp

Thérèse Bradley

Madam Maisie

Zack Eisaku Niizato

Japanese Student

Robin Laing

Rent Boy

Franziska Altmeyer

Hamburg Carole

Ron Donachie

Hector

Tracy-Ann Oberman

Diana

Mitchell Mullen

Bobby

Jake Wilson

Little Davie

Luke MacDonald

Euan

Jodie Mccallum

Dealer's Girlfriend

Chris Young

Drunken Santa Claus

Jonathan Watson

Uniformed Policeman

David Soul

Punter

Chris Cameron

Skanky Dealer

Colin Healy

Colin

Lauren Maddox

Posh Lady

Natasha O'Keeffe

Anna

Chidi Chickwe

Steven

Sanjeev Kohli

Sunil

Neil D'Souza

Anil

Trudie Styler

Madame R Zen Ficken

Craig Garner

Dwarf (uncredited)