Alan Alda Capt. Benjamin Franklin "Hawkeye" Pierce Actor Harry Morgan Col. Sherman Potter Actor Mike Farrell Capt. B.J. Hunnicut Actor Gary Burghoff Cpl. Walter "Radar" O'Reilly Actor Loretta Swit Maj. Margaret Houlihan Actor David Ogden Stiers Maj. Charles Emerson Winchester III Actor Jamie Farr Cpl. Maxwell Klinger Actor William Christopher Father Francis Mulcahy Actor Johnny Haymer Sgt. Zelmo Zale Guest Star Ted Gehring Sergeant Rhoden Guest Star Jan Jorden Nurse Baker Guest Star Kellye Nakahara Lt. Kellye Yamato, RN Guest Star Jeff Maxwell Pvt. Igor Straminsky Guest Star