Simon Pegg was 39 in The Chronicles of Narnia: The Voyage of the Dawn Treader when he played the character 'Reepicheep (Voice)'.
That was over 13 years ago in 2010.
Today he is 54, and has starred in 83 movies in total, 48 of those since The Chronicles of Narnia: The Voyage of the Dawn Treader was released.
In The Chronicles of Narnia: The Voyage of the Dawn Treader, I think Simon Pegg looks: