Doomsday Book

Yoon Seok-woo

Kim Yoo-mi / Weathercaster

RU-4 / In-myoung (voice)

Robot Repairman Park Do-won

Park Min-seo

Lee Joon-ho

Young Park Min-seo

Former NASA Researcher

High School Zombie

Bodhisattva Hye-joo

Ji-eun

Joong-dong

Ji-ho

Min-seo's Mother

Hwan

Dad

Robot Scientist Min Yoo-ni

Co. President Kang

Removal Team

Announcer

Announcer

Seok-woo's Father

Seok-woo's Mother

Seok-woo's Sister