John Cazale was 25 in The American Way when he played the character 'Beatnik'.
That was over 62 years ago in 1962.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
In 1978 he died aged just 42, starring in 10 films in his career, 9 of those after The American Way was first released. If he were alive today he would be 88.
In The American Way, I think John Cazale looks: