Jack Mullaney

He appeared regularly as Johnny Wallace, the bellhop, in CBS's The Ann Sothern Show (1958-1961). In addition to Ann Sothern, his co-stars included Don Porter, Ann Tyrrell, Louis Nye, and Jesse White. He also portrayed Navy Lieutenant Rex St. John in NBC's Ensign O'Toole (1962-1963), starring Dean Jones. In the 1958 film South Pacific, based on the Rodgers and Hammerstein hit musical, he played a character affectionately known as the "Professor". He also appeared as murderer Bert Rockwood on episode #227 of Lee Marvin's M-SQUAD titled The Vanishing Lady which first aired 4/3/1959.

His death, due to stroke, occurred in Hollywood, June 27, 1982 -- he left no reported survivors.

Description above from the Wikipedia article Jack Mullaney, licensed under CC-BY-SA, full list of contributors on Wikipedia.