Steven Spielberg was 21 in Amblin' when he played the character 'annoying guy in van'.
That was over 55 years ago in 1968.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 77, and has starred in 149 movies in total, 146 of those since Amblin' was released.
In Amblin', I think Steven Spielberg looks: