That was over 18 years ago in 2004.
Today he is 50, and has starred in 89 movies in total, 54 since 50 First Dates was released.
In 50 First Dates, I think Sean Astin looks:
50 First Dates scores 6.6 out of 10 on The Movie Database.
Sean Astin's first acting role was as 'Brian Reynolds' in Please Don't Hit Me, Mom, released in 1981 when he was 10.