That was over 15 years ago in 2006.
Today he is 87, and has starred in 85 movies in total, 22 since Little Miss Sunshine was released.
In Little Miss Sunshine, I think Alan Arkin looks:
Little Miss Sunshine scores 7.5 out of 10 on The Movie Database.
Alan Arkin's first acting role was as 'Bill' in Edward Scissorhands, released in 1990 when he was 56.