Justice Smith was 15 in Trigger Finger when he played the character 'Boy at School'.
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 28, and has starred in 16 movies in total, 11 of those since Trigger Finger was released.
In Trigger Finger, I think Justice Smith looks: