Big John Cannon was a prominent character in the television series The Big Valley, which aired from 1965 to 1969. Portrayed by actor Lee Majors, he was the strong and determined patriarch of the Cannon family, who owned a large ranch in California's San Joaquin Valley. His character was known for his leadership, resilience, and dedication to his family. In the series, Big John faced various challenges, including conflicts with outlaws and rival ranchers. His character often embodied the values of hard work and integrity, reflecting the struggles of the American West during the late 19th century. The show highlighted themes of family loyalty and justice, making Big John a memorable figure in classic television.