Every actor needs to change it up once in a while to keep their career going--child stars wind up playing parents, acclaimed Emmy winners run away from monsters, and everyone, eventually, will somehow wind up in a superhero movie. But 2014 is bringing us a number of star transitions even more surprising than usual, with stately Oscar-winners turning into action heroes, former action heroes turning into Disney villainesses, and two different sitcom funnymen showing us a side we never thought we'd see. The trailer for Kinsgman: The Secret Service, embedded below, showed us the new side of Colin Firth on deck for 2014; above are four other stars making big transitions this year.