Zachary Quinto was 30 in Star Trek when he played the character 'Spock'.
That was over 15 years ago in 2009.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 46, and has starred in 31 movies in total, 29 of those since Star Trek was released.
In Star Trek, I think Zachary Quinto looks: