Kit Harington was 24 in Silent Hill: Revelation 3D when he played the character 'Vincent Carter'.
That was over 12 years ago in 2012.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 37, and has starred in 20 movies in total, 17 of those since Silent Hill: Revelation 3D was released.
In Silent Hill: Revelation 3D, I think Kit Harington looks: