Thomas Brodie-Sangster was 24 in Star Wars: The Force Awakens when he played the character 'First Order Officer'.
That was over 8 years ago in 2015.
Today he is 33, and has starred in 39 movies in total, 4 of those since Star Wars: The Force Awakens was released.
In Star Wars: The Force Awakens, I think Thomas Brodie-Sangster looks: