American actor (1927–1996)
Source (Wikipedia): McLean Stevenson

Edgar McLean Stevenson Jr. was an American actor and comedian. He is best known for his role as Lieutenant Colonel Henry Blake in the television series MAS*H, which earned him a Golden Globe Award in 1974. Stevenson also appeared on a number of television series, notably The Tonight Show Starring Johnny Carson, The Doris Day Show and Match Game.