Kenneth Joseph `` Ken '' Howard , Jr. ( born March 28 , 1944 ) is an American actor , best known for his roles as Thomas Jefferson in `` 1776 '' and as basketball coach and former Chicago Bulls player Ken Reeves in the television show `` The White Shadow '' .
Kenneth Joseph `` Ken '' Howard , Jr. ( born March 28 , 1944 ) is an American actor . He is best known for his roles as Thomas Jefferson in `` 1776 '' and as basketball coach and former Chicago Bulls player Ken Reeves in the television show `` The White Shadow '' .