Mickie McGowan was 60 in The Iron Giant when she played the character 'Additional Voices (voice)'.
That was over 25 years ago in 1999.
In 2022 she died aged 84, starring in 58 films in her career, 32 of those after The Iron Giant was first released. If she were alive today she would be 86.
In The Iron Giant, I think Mickie McGowan looks: