Will Smith was 20 in Voices That Care when he played the character 'Self - Choir Member'.
That was over 34 years ago in 1990.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 55, and has starred in 87 movies in total, 80 of those since Voices That Care was released.
In Voices That Care, I think Will Smith looks: