Answer
The psychological thriller "Black Swan" stars Vincent Cassel as Thomas Leroy, a ballet company director who manipulates and exploits his dancers. The film follows the story of Nina Sayers, a ballerina who becomes mentally and emotionally unstable as she competes for the lead role in Leroy's production of "Swan Lake." Cassel's portrayal of the demanding and ruthless Leroy is a key element in creating the film's intense and suspenseful atmosphere.