Alan Alda Capt. Benjamin Franklin "Hawkeye" Pierce Actor Harry Morgan Col. Sherman Potter Actor David Ogden Stiers Maj. Charles Emerson Winchester III Actor Mike Farrell Capt. B.J. Hunnicut Actor Jamie Farr Cpl. Maxwell Klinger Actor Loretta Swit Maj. Margaret Houlihan Actor William Christopher Father Francis Mulcahy Actor Susan Saint James Aggie O'Shea Guest Star Brad Wilkin Pvt. Scott Guest Star Calvin Levels Pvt. Jackson Guest Star