As Danny DeVito is celebrating his birthday on November 17, his fans have been left gobsmacked to learn how old the actor really is, as many thought he was in his 60s While Danny DeVito first started off working as a cosmetologist in a morgue, styling the hair of the deceased, he has since become a A-list celebrity, known for his long list of iconic roles in various films and TV shows. He started his acting career in off-Broadway shows in 1969, before starring in his first film - One Flew Over