Simon James / James Simon

Jesse Eisenberg

Acting

Hannah

Mia Wasikowska

Acting

Mr. Papadopoulos

Wallace Shawn

Acting

Melanie

Yasmin Paige

Acting

Harris

Noah Taylor

Acting

The Colonel

James Fox

Acting

Kiki

Cathy Moriarty

Acting

Simon's Mother

Phyllis Somerville

Acting

Strange Woman

Gabrielle Downey

Acting

Detective

Jon Korkes

Acting

Young Detective

Craig Roberts

Acting

Guard / Doctor

Kobna Holdbrook-Smith

Acting

Liz

Susan Blommaert

Acting

Skinhead

Bruce Byron

Acting

Janitor

J. Mascis

Acting

Rudolph

Tony Rohr

Acting

Secretary

Karima Riachy

Acting

Care Worker

Tim Key

Acting

Man on Train

Andrew Gruen

Acting

Box Man / Guard 1

Kim Noble

Acting

Coughing Man

Morrison Thomas

Acting

Receptionist at Ball

Sally Hawkins

Acting

Investigator

Lloyd Woolf

Writing

Well-Dressed Woman at Ball / Test Invigilator

Lydia Fox

Acting

Waiter / 'The Replicator' - Guard 2

Stuart Silver

Acting

Workers' Services Executive

Chris Morris

Writing

Nurse

Chris O'Dowd

Acting

Priest

Donal Cox

Acting

James' Funeral Date

Kierston Wareing

Acting

'The Replicator' - Jack

Paddy Considine

Acting

'The Replicator' - Head Judge

Dirk Van Der Gert

Acting

'The Replicator' - Wise Judge

Liam Bewley

Acting

'The Replicator' - Glamourous Judge

Gemma Chan

Acting

'The Replicator' - Jack's Wife

Nathalie Cox

Acting

Executive Worker (uncredited)

Daniel Chapple

Acting

Paramedic (uncredited)

Martin Crossingham

Acting

Singer (uncredited)

Danny

Acting

Air Hostess (uncredited)

Catherine Delaloye

Acting

Resident (uncredited)

Lukas DiSparrow

Acting

Bar Girl (uncredited)

Joanna Finata

Acting

Waitress (uncredited)

Jeanie Gold

Acting

Moaning Man on Trolley (uncredited)

Steve Saunders

Acting

Frightening Old Man (uncredited)

Rade Šerbedžija

Acting

The Girl (uncredited)

Natalia Warner

Acting