Robert Pattinson
Georges Duroy
Uma Thurman
Madeleine Forestier
Christina Ricci
Clotilde de Marelle
Kristin Scott Thomas
Virginie Walters
Colm Meaney
Monsieur Rousset
Philip Glenister
Charles Forestier
Holliday Grainger
Suzanne Rousset
Natalia Tena
Rachel the Prostitute
Anthony Higgins
Comte de Vaudrec
James Lance
François Laroche
Thomas Arnold
Louis
Timothy Walker
Solicitor
Pip Torrens
Paul the Butler
Christopher Fulford
Police Commisioner
Amy Marston
Nanny
Eloise Webb
Laurine de Marelle
Frank Dunne
Bishop
Christos Lawton
Journalist (uncredited)