Actor who earned Primetime Emmy Award nominations for his roles in the television series, The Waltons and Roots.
He was a member of the U.S. Marines from 1946 to 1948 and briefly worked as a social worker.
He is also known for his supporting film roles in The Bodyguard (1992) and Cliffhanger (1993).
He married his third wife, Linda East, in 1982 and he has three daughters from his first marriage to Beverly Waite.
He played Mark Harmon 's on-screen father on TV's NCIS.