

That was over 11 years ago in 2011.
Today he is 30, and has starred in 9 movies in total, 8 since Charlie Brown's Blockhead Revenge was released.
In Charlie Brown's Blockhead Revenge, I think Dylan O'Brien looks:
Charlie Brown's Blockhead Revenge scores 6.7 out of 10 on The Movie Database.
Dylan O'Brien's first acting role was as 'Charlie Brown' in Charlie Brown's Blockhead Revenge, released in 2011 when he was 20.