Gary Burghoff
Gary Richard Burghoff (born May 24, 1943) is an American actor, known for playing the character Corporal Walter Eugene "Radar" O'Reilly in the MASH series and Charlie Brown in the 1967 Off-Broadway musical You're a Good Man, Charlie Brown. Description above from the Wikipedia article Gary Burghoff, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography
M*A*S*H: The Comedy That Changed Television
as Self
M*A*S*H: The Comedy That Changed Television
as Self
The Real M*A*S*H
as Himself
The Real M*A*S*H
as Himself
Daniel's Lot
as Pastor Mahoney
Daniel's Lot
as Pastor Mahoney
M*A*S*H: 30th Anniversary Reunion
as Himself
M*A*S*H: 30th Anniversary Reunion
as Himself
Enlisted: The Story of 'M*A*S*H'
as Self
Enlisted: The Story of 'M*A*S*H'
as Self
Altman on His Own Terms
as Self
Altman on His Own Terms
as Self
Behind the Waterfall
as Mr. Connors
Behind the Waterfall
as Mr. Connors
Small Kill
as Fleck / Lady Esmerelda
Small Kill
as Fleck / Lady Esmerelda
Memories of M*A*S*H
as Self / Radar O'Reilly
Memories of M*A*S*H
as Self / Radar O'Reilly
W*A*L*T*E*R
as Walter 'Radar' O'Reilly
W*A*L*T*E*R
as Walter 'Radar' O'Reilly
Making 'M*A*S*H'
as Self
Making 'M*A*S*H'
as Self
Casino
as Bill Taylor
Casino
as Bill Taylor
The Man in the Santa Claus Suit
as Bob Willis
The Man in the Santa Claus Suit
as Bob Willis
Twigs
as The Priest
Twigs
as The Priest
B.S. I Love You
as Ted
B.S. I Love You
as Ted
M*A*S*H
as Cpl. 'Radar' O'Reilly
M*A*S*H
as Cpl. 'Radar' O'Reilly