Chevy Chase was 28 in Lemmings when he played the character 'Various'.
That was over 51 years ago in 1973.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 80, and has starred in 99 movies in total, 99 of those since Lemmings was released.
In Lemmings, I think Chevy Chase looks: