William DemarestFrom Wikipedia, the free encyclopedia. Carl William Demarest (February 27, 1892 – December 27, 1983) was an American character actor, known for playing Uncle Charley in My Three Sons. A veteran of World War I, Demarest became a prolific film and television actor, appearing in over 140 films, beginnFilmographyThat Darn Cat! (1965)Viva Las Vegas (1964)Son of Flubber (1962)My Three Sons (1960)Tales of Wells Fargo (1957)The Mountain (1956)The Far Horizons (1955)The Private War of Major Benson (1955)Escape from Fort Bravo (1953)Dangerous When Wet (1953)What Price Glory (1952)The Strip (1951)Sorrowful Jones (1949)Night Has a Thousand Eyes (1948)Whispering Smith (1948)The Perils of Pauline (1947)The Jolson Story (1946)Along Came Jones (1945)Hail the Conquering Hero (1944)Once Upon a Time (1944)The Great Moment (1944)The Miracle of Morgan's Creek (1943)All Through the Night (1942)Pardon My Sarong (1942)Sullivan's Travels (1941)The Lady Eve (1941)The Devil and Miss Jones (1941)Dressed to Kill (1941)The Great McGinty (1940)Christmas in July (1940)Easy Living (1937)Love on the Run (1936)The Murder Man (1935)