A lot of actors seem to dislike typecasting these days. The funny thing is, that's a fairly recent development. It used to be that actors wanted to be typecast so audiences could remember them and identify with them.
Dick Van Dyke
Somebody sent me a British magazine listing the 20 worst dialects ever done in movies. I was No. 2, with the worst Cockney accent ever done. No. 1 was Sean Connery, because he uses his Scottish brogue no matter what he's playing.