Michael Sheen. Actor: Masters of Sex. Even though he had burned up the London stage for nearly a decade--and appeared in several films--Michael Sheen was not really "discovered" by American audiences until his critically-acclaimed turn as Wolfgang Amadeus Mozart in the 1999 Broadway revival of "Amadeus". Sheen was born in Newport, Wales, the only son of Irene (Thomas) and Meyrick Sheen. The charming, curly-haired actor grew up a middle-class boy in...