Cast of MASH: Gary Burghoff - Corporal "Radar" O'Reilly Loretta Swit - Major Margaret J. "Hot Lips" Houlihan Larry Linville - Major Frank Burns Wayne Rogers - Captain "Trapper" McIntyre Alan Alda - Captain "Hawkeye" Pierce McLean Stevenson - Lt. Colonel Henry Blake Mike Farrell - Captain BJ Hunnicut William Christopher - Father Mulcahy Jamie Farr - Corporal/Sergeant Maxwell Q. Klinger Harry Morgan - Colonel Sherman T. Potter ... bloopers out takes pranks outtakes ...