Rex Haddon Downing (born April 25, 1925) is a retired American actor. He started his career as a child actor in 1935. He retired in 1948 and made a small comeback in 2007. Downing was born in San Francisco, California. His best known role was a Young Heathcliff in the 1939 William Wyler movie "Wuthering Heights" (1939). 