John Carpenter was 27 in Assault on Precinct 13 when he played the character 'Gang Member (uncredited)'.
That was over 47 years ago in 1976.
Today he is 76, and has starred in 81 movies in total, 80 of those since Assault on Precinct 13 was released.
In Assault on Precinct 13, I think John Carpenter looks: