Ralph Waite 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).

The Waltons is an American historical drama television series about a family in rural Virginia during the Great Depression and World War II. It was created by Earl Hamner Jr., based on his 1961 book Spencer's Mountain and the 1963 film of the same name. The series aired from 1972 to 1981.