Colin Firth was 22 in Another Country when he played the character 'Tommy Judd'.
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 63, and has starred in 96 movies in total, 91 of those since Another Country was released.
In Another Country, I think Colin Firth looks: