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 Tim Brown Capt. Oliver Harmon 'Spearchucker' Jones Guest Star Linda Meiklejohn Lt. Leslie Scorch Guest Star Odessa Cleveland Lt. Ginger Bayliss, RN Guest Star Patrick Adiarte Ho-Jon Guest Star Bonnie Jones Lt. Barbara Bannerman Guest Star Hy Averback Director Hal Dresner Writer