A prolific performer who bridged the divide between leading man of decidedly B-movies and character player in more prestige offerings, Kevin McCarthy was a working actor since he made his Broadway debut in "Abe Lincoln in Illinois" (1938). The younger brother of famed writer Mary McCarthy, he served in the US Air Force during WWII, toured in "Winged Victory," and reprised his stage role in the 1944 film. But McCarthy earned more attention for what was considered his feature acting debut – the role of the disillusioned son Biff in the 1951 screen adaptation of Arthur Miller's classic "Death of