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 Robert F. Simon Gen. Maynard M. Mitchell Guest Star Robert Weaver Pvt. Gary Mitchell Guest Star Jamie Farr Cpl. Maxwell Klinger Guest Star Odessa Cleveland Lt. Ginger Bayliss, RN Guest Star Clyde Kusatsu Kwang Duk Guest Star Sheila Lauritsen Nurse Watson Guest Star Ralph Grosh General's Aide Guest Star