Chi McBride was 29 in Revenge of the Nerds III: The Next Generation when he played the character 'Malcolm Pennington III'.
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 62, and has starred in 35 movies in total, 34 of those since Revenge of the Nerds III: The Next Generation was released.
In Revenge of the Nerds III: The Next Generation, I think Chi McBride looks: