Cpl. 'Radar' O'Reilly — M*A*S*H Character Profile

About Cpl. 'Radar' O'Reilly

Henry Blake's hyper-competent chief clerk. He sneaks a microphone into Margaret Houlihan's tent and broadcasts her sexual encounter with Frank Burns over the public address system, earning her the nickname 'Hot Lips'.

Character Facts

Played by

Gary Burghoff

Appears in

M*A*S*H (1970)

Role

Supporting

More characters from M*A*S*H

• Hawkeye Pierce (Donald Sutherland)
• Trapper John McIntyre (Elliott Gould)
• Duke Forrest (Tom Skerritt)
• Maj. Margaret 'Hot Lips' O'Houlihan (Sally Kellerman)
• Dr. Oliver 'Spearchucker' Jones (Fred Williamson)
• Maj. Frank Burns (Robert Duvall)
• 'Me Lai' Marston (Michael Murphy)
• Cpl. Judson (Timothy Brown)
• Capt. 'Painless' Waldowski (John Schuck)
• 'Ugly John' (Carl Gottlieb)
• Lt. Col. Henry Blake (Roger Bowen)
• Father John Mulcahy (René Auberjonois)