Seann William Scott was 31 in Ice Age: Dawn of the Dinosaurs when he played the character 'Crash (voice)'.
That was over 15 years ago in 2009.
Today he is 47, and has starred in 44 movies in total, 16 of those since Ice Age: Dawn of the Dinosaurs was released.
In Ice Age: Dawn of the Dinosaurs, I think Seann William Scott looks: