Colin Firth

Character: Mark

Robert Carlyle

Character: Robert

Anne-Marie Duff

Character: Michelle

Nicholas Burns

Character: Michael

Emilia Fox

Character: Laura

David Oyelowo

Character: Yemi

Julia Davis

Character: Sally

Emily Woof

Character: Sandra

Peter McNeil O'Connor

Character: Hostel Manager

Charlie Creed-Miles

Character: Man in Hostel

Megan Dodds

Character: Anastasia

Toby Kebbell

Character: Beggar 2

Gugu Mbatha-Raw

Character: Girl at King's Cross Station

Nikki Amuka-Bird

Character: Itshe

Nichola Burley

Character: Zoe

Alan Mandel

Character: Thug

Pearce Quigley

Character: Beggar 1

Gemma Barrett

Character: Danielle

Anne-Marie Bossman

Character: Adanna

Marguerite Fontaine-Anselm

Character: Housing Officer

Antonio Pelayo

Character: Kitchen Cleaner

Maz Albrecht

Character: Self

Joanne Adams

Character: Shop Assistant

Ria Haydon

Character: Midwife

Catherine Raingold

Character: Social Worker

Laurence Richardson

Character: Police Officer

Toni-Ann Walker

Character: Taxi Driver

Chris Wilson

Character: Police Officer