Seth Gabel was 20 in Tadpole when he played the character 'Mike'.
That was over 21 years ago in 2002.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 42, and has starred in 11 movies in total, 10 of those since Tadpole was released.
In Tadpole, I think Seth Gabel looks: