Dong-hwan

is Jung-seok's Nephew.

He is played by Moon Woo-jin.

Overview
He was first appear along with Jung-seok, His Mother and Chul-Min when Jung-seok drive them for escape from South Korea. He later appear in cabin when he sits with his mother. Dong-hwan notice the infected when he take his toys which causing everyone panic and Dong-hwan became infected. His mother tried to prevent him infected but nothing.