Shelley Winters was 56 in Pete's Dragon when she played the character 'Lena Gogan'.
That was over 47 years ago in 1977.
In 2006 she died aged 85, starring in 140 films in her career, 47 of those after Pete's Dragon was first released. If she were alive today she would be 103.
In Pete's Dragon, I think Shelley Winters looks: