The Italian Bulldog
Facing stiff competition for the role of Don Corleone, Marlon Brando did his best to stand out. For his audition, Brando stuffed his cheeks in order to give himself a more pronounced jaw. Those in charge loved the look, and when it was time to film the movie they had Brando meet with a dental team to have a custom mouthpiece built for him in order to recreate his audition-look.