Simon Helberg was 26 in Walk Hard: The Dewey Cox Story when he played the character 'Dreidel L'Chaim'.
That was over 16 years ago in 2007.
Today he is 43, and has starred in 28 movies in total, 16 of those since Walk Hard: The Dewey Cox Story was released.
In Walk Hard: The Dewey Cox Story, I think Simon Helberg looks: