Edward Dean Winter June 3 1937 March 8 2001 was an American actor He is best known for his recurring role Colonel Samuel Flagg in the television series MASH from 1973 to 1979 Winter was born in Ventura California He began his acting career in Ashland Oregon as a member of the cast of the Oregon Shakespeare Festival During the 1961 season he played Claudius in Hamlet and stayed for an extended repertory season where he appeared in The Boyfriend and Rashomon He went on to early successes on Broadway Winter was twice nominated for Tony Awards as Best Supporting or Featured Actor Musical The first was in 1967 as Ernst Ludwig in Cabaret then in 1969 as JD Sheldrake in Promises Promises He moved on to television appearing on the daytime serials The Secret Storm and Somerset In 1973 Winter began his recurring role as Colonel Flagg on MASH Flagg was a pompous and incompetent officer who was constantly butting heads with the doctors and nurses at the 4077th The character was a fan favorite and Winter appeared in 17 episodes of the show Winters other notable television roles included US Air Force investigator Capt Ben Ryan in season 2 of Project UFO 19781979 and in Hollywood Beat 1985 9 to 5 19861988 and Hermans Head 19911994 Winter also had a successful career in voice acting He voiced characters in the animated series The Angry Beavers Paddington Bear and The Tick Winter died in 2001 at the age of 63 from complications from Parkinsons disease He was married three times and had two children