M. Night Shyamalan was 21 in Praying with Anger when he played the character 'Dev Raman'.
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 53, and has starred in 32 movies in total, 31 of those since Praying with Anger was released.
In Praying with Anger, I think M. Night Shyamalan looks: