August Wittgenstein was 27 in Angels & Demons when he played the character 'Swiss Guardsman'.
That was over 15 years ago in 2009.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 43, and has starred in 10 movies in total, 9 of those since Angels & Demons was released.
In Angels & Demons, I think August Wittgenstein looks: