<Li> Fred MacMurray, Steven "Steve" Douglas (1960--1972) </Li> <Li> William Frawley, Michael Francis Aloysius "Bub" O'Casey (1960--1965) </Li> <Li> William Demarest, Charles Leslie "Uncle Charley" O'Casey, Bub's brother (1965--1972) </Li> <Li> Tim Considine, Michael "Mike" Douglas (1960--1965) </Li>

Who played uncle charlie on my 3 sons