Louis Partridge was 9 in Beneath Water when he played the character 'Felix'.
That was over 10 years ago in 2014.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 20, and has starred in 8 movies in total, 6 of those since Beneath Water was released.
In Beneath Water, I think Louis Partridge looks: