Question: is radar on mash still alive?
Answer: Gary Burghoff. Gary Rich Burghoff (born May 24, 1943) is an American actor who is known for originating the role of Charlie Brown in the 1967 Off-Broadway musical You're a Good Man, Charlie Brown, and the character Corporal Walter Eugene "Radar" O'Reilly in the film MASH, as well as the TV series.