Christian Bale
Batman (but not The Fighter)
Want to see more? http://io9.com/watch-actors-perform-their-very-own-death-defying-stunt-655760529
Partially inspired by http://blogs.amctv.com/movie-blog/2010/06/top-ten-actors/, and http://www.huffingtonpost.com/2012/04/28/hollywood-daredevils-own-stunts_n_1418831.html
Discuss here (or suggest missing names)
(*) who did not start their career as a stuntman or stuntwoman.