Mickie McGowan was 51 in The Rescuers Down Under when she played the character 'International Mice (voice) (uncredited)'.
That was over 34 years ago in 1990.
In 2022 she died aged 84, starring in 58 films in her career, 49 of those after The Rescuers Down Under was first released. If she were alive today she would be 86.
In The Rescuers Down Under, I think Mickie McGowan looks: