Name ring a bell? Think Leon - The Professional and The Fifth Element. Those are only his most famous works, but he has been involved in a lot of movies. Including a little gem I discovered named Angel-A.
André owes money to everyone in Paris, including people who promise to kill him if he doesn't repay by midnight. André gives up and tries to leap off of a bridge to his death. He sees a beautiful girl clinging to a rail on the same bridge. She jumps and he saves her life. His life will never be the same.