Peter Jackson was 50 in The Hobbit: An Unexpected Journey when he played the character 'Running Dwarf in Erebor (uncredited)'.
That was over 11 years ago in 2012.
Today he is 62, and has starred in 49 movies in total, 7 of those since The Hobbit: An Unexpected Journey was released.
In The Hobbit: An Unexpected Journey, I think Peter Jackson looks: