David Krumholtz was 39 in The Ballad of Buster Scruggs when he played the character 'Frenchman in Saloon (segment "The Ballad of Buster Scruggs")'.
That was over 5 years ago in 2018.
Today he is 45, and has starred in 53 movies in total, 5 of those since The Ballad of Buster Scruggs was released.
In The Ballad of Buster Scruggs, I think David Krumholtz looks: