Jeff Garlin was 19 in Spring Break when he played the character 'Gut Gut'.
That was over 41 years ago in 1983.
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 57 movies in total, 56 of those since Spring Break was released.
In Spring Break, I think Jeff Garlin looks: