Gavin MacLeod (born Allan George See) is an American actor and Christian activist and author whose career spans six decades. He has also appeared as a guest on several talk, variety, and religious programs. MacLeod's career began in films in 1957. In 1965, he played opposite Peter Mann in The Sword of Ali Baba. He went on to play opposite Anthony Franciosa in A Man Called Gannon (1968), opposite Christopher George in The Thousand Plane Raid, and opposite Clint Eastwood, Telly Savalas, and Carroll O'Connor in Kelly's Heroes (1970). MacLeod achieved continuing television success co-starring opposite Ernest Borgnine on McHale's Navy (1962–1964) as Joseph "Happy" Haines, and on The Mary Tyler Moore Show (1970–1977) as Murray Slaughter. He is also starred on ABC's The Love Boat (1977–1986), in which he was cast as ship's Captain Merrill Stubing.