Thomas Brodie-Sangster was 24 in Maze Runner: The Scorch Trials when he played the character 'Newt'.
That was over 8 years ago in 2015.
Today he is 33, and has starred in 39 movies in total, 5 of those since Maze Runner: The Scorch Trials was released.
In Maze Runner: The Scorch Trials, I think Thomas Brodie-Sangster looks: