James Corden was 18 in TwentyFourSeven when he played the character 'Tonka'.
That was over 27 years ago in 1997.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 45, and has starred in 63 movies in total, 62 of those since TwentyFourSeven was released.
In TwentyFourSeven, I think James Corden looks: