Alan Alda Capt. Benjamin Franklin "Hawkeye" Pierce Actor, Director, Writer 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 G.W. Bailey Sergeant Luther Rizzo Guest Star Jennifer Davis Nurse Guest Star Joshua Bryant Sgt. Jack Scully Guest Star Eileen Saki Rosie Guest Star Jeff Maxwell Pvt. Igor Straminsky Guest Star Kellye Nakahara Lt. Kellye Yamato, RN Guest Star Robin Haynes Taylor Guest Star Roy Goldman Roy Goldman Guest Star Shari Saba Lt. Shari, RN Guest Star David Dozer Dispatcher Guest Star Jo Ann Thompson Nurse Jo Ann Guest Star Connie Izay Nurse Connie Guest Star William K. Jurgensen Director John Rappaport Writer Burt Metcalfe Executive Producer, Producer Jim Mulligan Writer