강수연

Seo-hyun

김현주

Jung-yi

Ryu Kyung-soo

Sang-hoon

Uhm Ji-won

Se-yeon

Lee Dong-hee

Chairman

Han Woo-yeol

Jae-kyung

Yun Ki-chang

Researcher 1

이가경

Researcher 2

신민재

Researcher 3

김선혁

Researcher 5 / Voice over the Radio (voice)

이현균

Doctor

박소이

Young Seo-hyun

나호숙

Seo-hyun's grandmother

기환

Suit Man 1

이승찬

Suit Man 2

김태준

Buffet

도용구

General 1

Hong Seok-bin

General 2

전정일

Suit General 1

Son Young-soon

Old Jung-yi