Tomasz Mandes was 36 in Battle of Westerplatte when he played the character 'Franciszek Magdziarz'.
That was over 11 years ago in 2013.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 48, and has starred in 5 movies in total, 4 of those since Battle of Westerplatte was released.
In Battle of Westerplatte, I think Tomasz Mandes looks: