Question: who played the wife on the real mccoys
Answer: The family consists of Grandpa Amos McCoy ( Walter Brennan ) ; his grandson Luke ( Richard Crenna ) , Luke 's new wife Kate ( Kathleen Nolan ) , Luke 's teenage sister Tallahassie `` Hassie '' ( Lydia Reed ) , and his 11 - year - old brother `` Little Luke '' ( Michael Winkelman ) .