Stephen Amell was 34 in Teenage Mutant Ninja Turtles: Out of the Shadows when he played the character 'Casey Jones'.
That was over 8 years ago in 2016.
Today he is 43, and has starred in 19 movies in total, 7 of those since Teenage Mutant Ninja Turtles: Out of the Shadows was released.
In Teenage Mutant Ninja Turtles: Out of the Shadows, I think Stephen Amell looks: