Joaquin Phoenix as John

Claire Danes as Elena

Sean Penn as Marciello

Douglas Henshall as Michael

Alun Armstrong as David

Margo Martindale as Betsy

Mark Strong as Arthur

Geoffrey Hutchings as Mr. Morrison

Thomas Bo Larsen as Night Porter

Harry Ditson as George

Teddy Kempner as Brooklyn Receptionist

Indra Ové as Production Assistant

Georgi Staykov as Bookish Interpreter

Anna Wallander as Young Interpreter

Mariann Rudberg as Old Interpreter

Alexander Sapone as Boy in Street

Norman Fearrington as Hotel Bodyguard

Daniel Okine as Ugandan Man

Martha Siima as Ugandan Girl

Larry Wendorf as Sleeping Man in Subway

Suat Kutlug as Robber in Subway

Julia Forgy Viktrup as Reporter

Sean-Michael Smith as Pete

Joanna Nowakowski as Young Elena

Dennis Kemp as Young John

Michael Simpson as Master of Cerimonies