Rooney Mara

Character: Una Spencer

Ben Mendelsohn

Character: Ray Brooks

Riz Ahmed

Character: Scott

Ruby Stokes

Character: young Una Spencer

Tara Fitzgerald

Character: Andrea

Natasha Little

Character: Yvonne

Tobias Menzies

Character: Mark

Indira Varma

Character: Sonia

Poppy Corby-Tuech

Character: Poppy

Isobelle Molloy

Character: Holly

Ciarán McMenamin

Character: John

David Shields

Character: Joe

Sophie Stanton

Character: Carol

Sydney Wade

Character: Amy

Gráinne Keenan

Character: Jenny

Emilee Roscamp

Character: Emma

Dan Ball

Character: Nick

Xanthe Gibson

Character: Leah

Jessica Jean Harland Stubbs

Character: Jade

Katie Money

Character: Gemma

Alexander Bracq

Character: Packing Staff

Richard Cunningham

Character: Prosecutor

Madeleine Brolly

Character: Courtroom Clerk

Barney White

Character: Policeman 1

Brett Allen

Character: Policeman 2