Alan Alda Capt. Benjamin Franklin "Hawkeye" Pierce Actor, Writer McLean Stevenson Lt. Col. Henry Blake Actor, Writer 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 Pat Morita Capt. Sam Pak Guest Star William Christopher Father Francis Mulcahy Actor Marcia Gelman Nurse Jacobs Guest Star Robert F. Simon Gen. Maynard M. Mitchell Guest Star Gwen Farrell Nurse Wilson Guest Star Kellye Nakahara Lt. Kellye Yamato, RN Guest Star Allan Arbus Maj. Milton Freedman Guest Star Jamie Farr Cpl. Maxwell Klinger Guest Star Bobbie Mitchell Lt. Marshall, RN Guest Star Clyde Kusatsu Kwang Duk Guest Star Odessa Cleveland Lt. Ginger Bayliss, RN Guest Star Patricia Stevens Lt. Mitchell, RN Guest Star Ralph Grosh General's Aide Guest Star Sheila Lauritsen Nurse Sheila Guest Star Don Weis Director Jackie Cooper Director Norman Tokar Director Larry Gelbart Writer, Producer