Harry Morgan's first appearance on M*A*S*H was in the show's third season (19741975), when he played eccentric Major General Bartford Hamilton Steele in The General Flipped at Dawn, which first aired on September 10, 1974. The following season, Morgan joined the cast of M*A*S*H as Colonel Sherman T. Potter. Potter was a career Army officer who was a firm yet good-humored, caring father figure to those under his command. In 1980, Morgan won an Emmy award for his performance on M*A*S*H. Harry Morgan has hand signed this M*A*S*H 8x10 Photo. JSA Authentication Sticker & Certificate of Authenticity #II11619.