Actor Bradley Cooper is facing mounting backlash over his apparent use of a prosthetic nose in his depiction of composer and conductor Leonard Bernstein in the upcoming movie "Maestro." the big antisemitic prosthetic nose on Bradley Cooper was definitely not necessary…" another commenter wrote. "I saw Bradley cooper play the elephant man with no prosthetics on Broadway," another social media user said. "There was no need for Bradley Cooper to add an odd prosthetic nose on top of this to play Leonard Bernstein," one social media user wrote. American Composer Leonard Bernstein in 1983.