Charlie Cox was 19 in Dot the I when he played the character 'Theo'.
That was over 21 years ago in 2003.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 41, and has starred in 21 movies in total, 21 of those since Dot the I was released.
In Dot the I, I think Charlie Cox looks: