Armin Mueller-Stahl was 67 in The Thirteenth Floor when he played the character 'Hannon Fuller/Grierson'.
That was over 25 years ago in 1999.
Today he is 93, and has starred in 113 movies in total, 22 of those since The Thirteenth Floor was released.
In The Thirteenth Floor, I think Armin Mueller-Stahl looks: