Jeremy Irvine was 20 in War Horse when he played the character 'Albert Narracott'.
That was over 12 years ago in 2011.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 33, and has starred in 22 movies in total, 18 of those since War Horse was released.
In War Horse, I think Jeremy Irvine looks: