That was over 3 years ago in 2018.
Today he is 52, and has starred in 55 movies in total, 3 since Ready Player One was released.
In Ready Player One, I think Ben Mendelsohn looks:
Ready Player One scores 7.9 out of 10 on The Movie Database.
Ben Mendelsohn's first acting role was as 'Peter' in The Still Point, released in 1986 when he was 17.