Ian Holm was 74 in Ratatouille when he played the character 'Skinner (voice)'.
That was over 17 years ago in 2007.
In 2020 he died aged 88, starring in 110 films in his career, 3 of those after Ratatouille was first released. If he were alive today he would be 92.
In Ratatouille, I think Ian Holm looks: