Theodore Matthew Michael Kuhn Jr September 21 1932 November 20 2022 was an American actor He started his career as a child actor active onscreen during the Golden Age of Hollywood from the 1930s until the early 1950s He is noted for having played Beau Wilkes in Gone with the Wind 1939 Kuhn also appeared in Juarez 1939 A Tree Grows in Brooklyn 1945 The Strange Love of Martha Ivers 1946 Red River 1948 Broken Arrow 1950 and A Streetcar Named Desire 1951