Clark Gable was 37 in Gone with the Wind when he played the character 'Rhett Butler'.
That was over 85 years ago in 1939.
In 1960 he died aged just 59, starring in 135 films in his career, 78 of those after Gone with the Wind was first released. If he were alive today he would be 123.
In Gone with the Wind, I think Clark Gable looks: