Marilyn Manson has occassionally done some acting. Though he rarely appears in public without his gothic attire and white make-up he has done some appearances "dressed normally".

Manson's cameo in the film Jawbreaker with then girlfriend Rose McGowan. (non-speaking role) http://www.youtube.com/watch?v=zyeqZJ9ThDw

Manson's cameo as a bartender in the film Rise: Blood Hunter with Lucy Liu http://www.youtube.com/watch?v=7RZxwaJoSeM