Brendan Sexton III was 20 in Black Hawk Down when he played the character 'Pfc. Richard 'Alphabet' Kowalewski'.
That was over 22 years ago in 2001.
Today he is 44, and has starred in 56 movies in total, 42 of those since Black Hawk Down was released.
In Black Hawk Down, I think Brendan Sexton III looks: