The new film is directed by the team of Declan Donnellan ("The Big Fish") and Nick Ormerod.
The film is based on the 1885 French novel "Bel-Ami" by author Guy de Maupassant, following a former Algerian soldier, who becomes a journalist.
The man then rises from abject poverty to riches and success by seducing Paris' most influential women.
"Bel Ami" stars Pattinson as 'Georges Duroy', a "completely amoral man", Thurman as 'Madeleine Forestier', Duroy's secret love interest and Kristin Scott Thomas as 'Madame Walter', another love interest of Duroy.
Also starring are Christina Ricci as 'Clotilde de Marelle', Holliday Grainger as 'Suzanne Walter', Philip Glenister as 'Charles Forestier', Colm Meaney as 'Rousset' and Natalia Tena as 'Rachel'.