Garry Chalk was 56 in Scooby-Doo! The Mystery Begins when he played the character 'Vice Principal Grimes'.
That was over 15 years ago in 2009.
Today he is 72, and has starred in 155 movies in total, 57 of those since Scooby-Doo! The Mystery Begins was released.
In Scooby-Doo! The Mystery Begins, I think Garry Chalk looks: