Quentin Tarantino was 51 in The Hateful Eight when he played the character 'Narrator (voice) (uncredited)'.
That was over 8 years ago in 2015.
Today he is 61, and has starred in 75 movies in total, 15 of those since The Hateful Eight was released.
In The Hateful Eight, I think Quentin Tarantino looks: