Damian Lewis

Character: Peter Radley / Will Radley

Kelly Macdonald

Character: Helen Radley

Bo Bragason

Character: Clara Radley

Harry Baxendale

Character: Rowan Radley

Sophia Di Martino

Character: Lorna Felt

Steven Waddington

Character: Mark Felt

Madeleine Power

Character: Tilly

Shaun Parkes

Character: Jared Copeleigh

Jay Lycurgo

Character: Evan Copeleigh

Freddie Wise

Character: Stuart Harper

Suan-Li Ong

Character: Croupier

Sarah Durham

Character: Nicola

Lonnie Holley

Character: Teenager (as Holly May Bradley)

Mark Weinman

Character: Danny

Sophie Mercell

Character: PC Henshall

Laura Waldren

Character: PC Longford

Richa Prakash

Character: Neighbour at Barbeque party

Lena Kaur

Character: Karen

Gareth Barrington-Jones

Character: The Neighbour

Svitlana Karabut

Character: Nightclub DJ

Rebecca Riggs

Character: Clubber

Dylan McKenzie

Character: Teenager

Marica Cassandra

Character: Woman 2

Daniel Riggs

Character: Clubber

Jonah Williams

Character: Teenager

Sandrine Anterrion

Character: Night Club patron (uncredited)

Leon Cole

Character: Teenager (uncredited)

Leon Cole

Character: Club Dancer (uncredited)