He and his Police Woman (1974) co-star, Earl Holliman, both share the same birthday, although Holliman was born eight years earlier (1928).
He is a lifelong Democrat.
His nose was broken in fights when he was young. This made him the ideal casting choice for the role of western outlaw George 'Flat Nose' Curry in Butch Cassidy and the Sundance Kid.
Served in the U.S. Marine Corps during the Korean War.