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 Odessa Cleveland Lt. Ginger Bayliss, RN Guest Star Robert Gooden Pvt. Lorenzo Boone Guest Star Jamie Farr Cpl. Maxwell Klinger Guest Star Linda Meiklejohn Lt. Leslie Scorch Guest Star John Orchard Capt. 'Ugly John' Black Guest Star Sorrell Booke Gen. Wilson Spaulding Barker Guest Star Jack Riley Capt. Kaplan Guest Star E.W. Swackhamer Director Larry Gelbart Writer