Seo Seok-woo Male Height: 184cm 32 years old Weight: 72kg Su-an's father. He protects Su-an well. He has good judgment. A dynamic character who grows into a humane and heroic figure capable of considering and sacrificing for others. Intelligent type.

Yoon Sang-hwa Height: 179cm Male 37 years old Weight: 100kg (All muscle, not fat) Possesses immense strength. Looks scary but is actually kind. Seong-kyeong's husband. He treats Seong-kyeong very well. He uses standard Seoul dialect with his wife but speaks in a thick Gyeongsang dialect to others. Example: "Hey, hey, what's wrong with you?" In front of Seong-kyeong: "Seong-kyeong, you can do it, right...?" Possesses incredible physical strength and a massive build.

Seong-kyeong Height: 167cm Female 36 years old Weight: Unknown Sang-hwa's wife. She is pregnant (full term). Kind and intelligent. Friendly to others. Takes good care of people who are struggling or younger than her.

Kim Su-an Age: 7 Female Height: 140cm Weight: Unknown Seok-woo's daughter. She wants to take care of others but is too young to help much. She receives a lot of help from others.

Kim Jin-hee 18 years old Height: 163cm Female Baseball team cheerleader. Acquainted with Young-guk. Quite pretty. Does she like Young-guk?

Min Young-guk 18 years old Height: 181cm Male Member of the baseball team. A bit of a coward. However, he does have some level of judgment.

Yong-seok 57 years old Height: 175cm Male An extreme egoist who treats others' lives as tools for his own survival in a disaster situation. He makes decisions arbitrarily because he only cares about surviving himself.

Choi Gwi-ha 43 years old Height: 181cm Male Homeless man. He snuck onto the KTX. He repays those who help him. He is quite street-smart.