LOS ANGELES ? David Ogden Stiers, a prolific actor best known for playing a surgeon on the "M.A.S.H." television series, has died. The actor's agent Mitchell Stubbs confirmed Saturday night in an email that Stiers died after battling bladder cancer. Charles Winchester III on "M.A.S.H." beginning in its sixth season, Stiers also did voice acting in several Disney films. He was also the voice of an announcer in George Lucas' 1971 feature directorial debut, "THX 1138."