Josh O'Connor was 21 in The Eschatrilogy: Book of the Dead when he played the character 'Zombie'.
That was over 12 years ago in 2012.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 34, and has starred in 26 movies in total, 19 of those since The Eschatrilogy: Book of the Dead was released.
In The Eschatrilogy: Book of the Dead, I think Josh O'Connor looks: