Quentin Tarantino was 22 in My Best Friend's Birthday when he played the character 'Clarence Pool'.
That was over 37 years ago in 1987.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 61, and has starred in 75 movies in total, 72 of those since My Best Friend's Birthday was released.
In My Best Friend's Birthday, I think Quentin Tarantino looks: