Jaeden Martell was 9 in Grief when he played the character 'The Child'.
That was over 11 years ago in 2013.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 21, and has starred in 20 movies in total, 17 of those since Grief was released.
In Grief, I think Jaeden Martell looks: