Ben Whishaw was 17 in The Trench when he played the character 'Pte. James Deamis'.
That was over 24 years ago in 1999.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 42, and has starred in 52 movies in total, 47 of those since The Trench was released.
In The Trench, I think Ben Whishaw looks: