Closed captioning of: Pernell Roberts of 'Bonanza' fame dies
he was the last surviving cartwright brother from bonanza,
has died. he was a
for a while, and at the height of his career he stood up for
. he marched on selma, forced network executives into better hiring policies. but he's best known as
. he later played
trapper john m.d.
among other roles. he was 81.