That was over 7 years ago in 2014.
Today he is 51, and has starred in 52 movies in total, 10 since Birdman was released.
In Birdman, I think Zach Galifianakis looks:
Birdman scores 7.4 out of 10 on The Movie Database.
Zach Galifianakis' first acting role was as 'Alan Garner' in The Hangover, released in 2009 when he was 39.