David Thewlis was 57 in Zack Snyder's Justice League when he played the character 'Ares'.
That was over 3 years ago in 2021.
Today he is 61, and has starred in 84 movies in total, 5 of those since Zack Snyder's Justice League was released.
In Zack Snyder's Justice League, I think David Thewlis looks: