Val Kilmer was 23 in Top Secret! when he played the character 'Nick Rivers'.
That was over 40 years ago in 1984.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 64, and has starred in 103 movies in total, 100 of those since Top Secret! was released.
In Top Secret!, I think Val Kilmer looks: