Billie Burke was 54 in The Wizard of Oz when she played the character 'Glinda the Good Witch of the North'.
That was over 84 years ago in 1939.
In 1970 she died aged 85, starring in 85 films in her career, 40 of those after The Wizard of Oz was first released. If she were alive today she would be 138.
In The Wizard of Oz, I think Billie Burke looks: