Gary Burghoff Gary Burghoff Radar O'Reilly Cpl. Walter ‘Radar’ O’Reilly Gary Burghoff Cpl. Walter 'Radar' O'Reilly Gary Burghoff Cpl. Walter 'Radar' O'Reilly Radar O'Reilly Gary Burghoff Gary Burghoff Gary Burghoff Cpl. Walter 'Radar' O'Reilly Internet Movie Database Gary Burghoff Filmography Gary Burghoff - IMDb Cpl. Walter ‘Radar’ O’Reilly Gary Burghoff Gary Burghoff Radar nm0121400 Gary Burghoff Gary Burghoff Radar O'Reilly on M*A*S*H Cpl. Walter 'Radar' O'Reilly Gary Burghoff Gary Burghoff IMDb Gary Burghoff Gary Burghoff Gary Burghoff Burghoff Cpl. Walter ‘Radar’ O’Reilly Gary Burghoff Cpl. Walter ‘Radar’ O’Reilly Radar O’Reilly IMDB