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 Karen Philipp Lt. Maria 'Dish' Schneider Guest Star Tim Brown Capt. Oliver Harmon 'Spearchucker' Jones Guest Star Patrick Adiarte Ho-Jon Guest Star John Orchard Capt. 'Ugly John' Black Guest Star Linda Meiklejohn Lt. Leslie Scorch Guest Star Laura Miller Knocko Guest Star Odessa Cleveland Lt. Ginger Bayliss, RN Guest Star G. Wood Brig. Gen. Charlie Hammond Guest Star George Morgan Lt. Father Francis John Patrick Mulcahy Guest Star Larry Gelbart Writer Gene Reynolds Director