Fr. Mulcahy from 'M*A*S*H': 'Memba Him? Fr. Mulcahy from 'M*A*S*H' 'Memba Him? 7/6/2010 1:00 PM PT William Christopher is best known for playing Father Mulcahy in the TV series "M*A*S*H." Guess what he looks like now! Share on Facebook Share on X William Christopher TV Beauty Memba Them