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 Jamie Farr Cpl. Maxwell Klinger Actor Alex Karras Lance Cpl. Lyle Wesson Guest Star Mary Kay Place Lt. Louise Simmons Guest Star Greg Mabrey Pasco Guest Star Kellye Nakahara Lt. Kellye Yamato, RN Guest Star Gwen Farrell Lt. Baker Guest Star Patricia Stevens Lt. Stevens, RN Guest Star Roy Goldman Roy Goldman Guest Star Jeff Maxwell Pvt. Igor Straminsky Guest Star Don Weis Director Linda Bloodworth-Thomason Writer Larry Gelbart Producer