Alan Alda Capt. Benjamin Franklin "Hawkeye" Pierce Actor Harry Morgan Col. Sherman Potter Actor Larry Linville Maj. Frank Burns 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 Hilly Hicks Corporal Moody Guest Star Daniel Zippe Private Corey Guest Star Richard Beauchamp Cpl. Robelo Guest Star Alan McRae Corporal Nessen Guest Star Gary Springer Private Garvin Guest Star Andrew Bloch Private Cordon Guest Star John-Anthony Bailey Private Whitney Guest Star Sal Viscuso Sergeant Raymond McGill Guest Star Zitto Kazann Sergeant Attias Guest Star