John Leguizamo was 40 in Ice Age: The Meltdown when he played the character 'Sid (voice)'.
That was over 18 years ago in 2006.
Today he is 59, and has starred in 133 movies in total, 74 of those since Ice Age: The Meltdown was released.
In Ice Age: The Meltdown, I think John Leguizamo looks: