Ralph Waite

Ralph Waite (June 22, 1928 – February 13, 2014) was an American actor, best known for his lead role as John Walton Sr. on ''The Waltons'' (1972–1981), which he occasionally directed. He later had recurring roles as two other heroic fathers; in ''NCIS'' as Jackson Gibbs, the father of Leroy Jethro Gibbs, and in ''Bones'', as Seeley Booth's grandfather.

Waite had supporting roles in movies such as ''Cool Hand Luke'' (1967), ''Five Easy Pieces'' (1970), ''The Grissom Gang'' (1971), ''The Bodyguard'' (1992), and ''Cliffhanger'' (1993). Provided by Wikipedia