Cole Hauser was 15 in The Prom when he played the character 'Stacker'.
That was over 32 years ago in 1992.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 49, and has starred in 39 movies in total, 36 of those since The Prom was released.
In The Prom, I think Cole Hauser looks: