<P> Eleanore Cammack `` Cammie '' King ( August 5 , 1934 -- September 1 , 2010 ) was an American child actress . She is best known for her portrayal of `` Bonnie Blue Butler '' in Gone with the Wind ( 1939 ) . She also provided the voice for the doe `` Faline '' as a fawn in the animated Disney film , Bambi ( 1942 ) . </P>
rhett butler 's daughter in gone with the wind
Eleanore Cammack `` Cammie '' King