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 Gary Burghoff Cpl. Walter "Radar" O'Reilly Actor Loretta Swit Maj. Margaret Houlihan Actor Jamie Farr Cpl. Maxwell Klinger Actor William Christopher Father Francis Mulcahy Actor Susan Blanchard Nurse Cooper Guest Star Larry Block Eddie Hendrix Guest Star John Durren Sgt. Rimmerman Guest Star Judy Farrell Nurse Able Guest Star Enid Kent Lt. Bigelow, RN Guest Star Rebecca Taylor Nurse Campbell Guest Star Carmine Scelza G.I. Guest Star Joseph Hardin Patient Guest Star