Jesse Eisenberg
Simon James / James Simon
Acting
Mia Wasikowska
Hannah
Acting
Wallace Shawn
Mr. Papadopoulos
Acting
Yasmin Paige
Melanie
Acting
Noah Taylor
Harris
Acting
James Fox
The Colonel
Acting
Cathy Moriarty
Kiki
Acting
Phyllis Somerville
Simon's Mother
Acting
Gabrielle Downey
Strange Woman
Acting
Jon Korkes
Detective
Acting
Craig Roberts
Young Detective
Acting
Kobna Holdbrook-Smith
Guard / Doctor
Acting
Susan Blommaert
Liz
Acting
Bruce Byron
Skinhead
Acting
J. Mascis
Janitor
Acting
Tony Rohr
Rudolph
Acting
Karima Riachy
Secretary
Acting
Tim Key
Care Worker
Acting
Andrew Gruen
Man on Train
Acting
Kim Noble
Box Man / Guard 1
Acting
Morrison Thomas
Coughing Man
Acting
Sally Hawkins
Receptionist at Ball
Acting
Lloyd Woolf
Investigator
Writing
Lydia Fox
Well-Dressed Woman at Ball / Test Invigilator
Acting
Stuart Silver
Waiter / 'The Replicator' - Guard 2
Acting
Chris Morris
Workers' Services Executive
Writing
Chris O'Dowd
Nurse
Acting
Donal Cox
Priest
Acting
Kierston Wareing
James' Funeral Date
Acting
Paddy Considine
'The Replicator' - Jack
Acting
Dirk Van Der Gert
'The Replicator' - Head Judge
Acting
Liam Bewley
'The Replicator' - Wise Judge
Acting
Gemma Chan
'The Replicator' - Glamourous Judge
Acting
Nathalie Cox
'The Replicator' - Jack's Wife
Acting
Daniel Chapple
Executive Worker (uncredited)
Acting
Martin Crossingham
Paramedic (uncredited)
Acting
Danny
Singer (uncredited)
Acting
Catherine Delaloye
Air Hostess (uncredited)
Acting
Lukas DiSparrow
Resident (uncredited)
Acting
Joanna Finata
Bar Girl (uncredited)
Acting
Jeanie Gold
Waitress (uncredited)
Acting
Steve Saunders
Moaning Man on Trolley (uncredited)
Acting
Rade Šerbedžija
Frightening Old Man (uncredited)
Acting
Natalia Warner
The Girl (uncredited)
Acting