Ike Barinholtz was 23 in Down when he played the character 'Niles Benson'.
That was over 23 years ago in 2001.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 47, and has starred in 35 movies in total, 31 of those since Down was released.
In Down, I think Ike Barinholtz looks: