Walter Stacy Keach Jr. (born June 2, 1941) is an American actor and narrator. He is most famous for his dramatic roleshowever, he has done narration work in educational programming on PBS and the Discovery Channel, as well as some comedy (particularly his role in the Fox sitcom Titus as Ken, the hard-drinking, chain-smoking, womanizing father of comedian Christopher Titus and for Sergeant Stedenko in Up in Smoke) and musical roles.