Alan Alda Capt. Benjamin Franklin "Hawkeye" Pierce Actor McLean Stevenson Lt. Col. Henry Blake Actor Wayne Rogers Capt. John McIntyre Actor Larry Linville Maj. Frank Burns Actor Gary Burghoff Cpl. Walter "Radar" O'Reilly Actor Loretta Swit Maj. Margaret Houlihan Actor William Christopher Father Francis Mulcahy Actor Billy Green Bush John 'Cowboy' Hodges Guest Star John Orchard Capt. 'Ugly John' Black Guest Star Patrick Adiarte Ho-Jon Guest Star Don Weiss Director Robert Klane Writer