That was over 14 years ago in 2007.
Today he is 90, and has starred in 93 movies in total, 3 since Ratatouille was released.
In Ratatouille, I think Ian Holm looks:
Ratatouille scores 7.5 out of 10 on The Movie Database.
Ian Holm's first acting role was as 'Trofimov' in The Cherry Orchard, released in 1962 when he was 30.