Simon Baker was 27 in L.A. Confidential when he played the character 'Matt Reynolds'.
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 54, and has starred in 26 movies in total, 25 of those since L.A. Confidential was released.
In L.A. Confidential, I think Simon Baker looks: