Nathan Fillion was 46 in Reign of the Supermen when he played the character 'Green Lantern / Hal Jordan (voice)'.
That was over 5 years ago in 2019.
Today he is 53, and has starred in 43 movies in total, 6 of those since Reign of the Supermen was released.
In Reign of the Supermen, I think Nathan Fillion looks: