Bae Doona

Ok Taek-seon

Kim Yoon-seok

Lee Gyun

Chang Ki-ha

Kim Yeon-woo

Son Seok-koo

Nam Su-pil

Moon Song-keun

Professor Seong

Kim Hie-won

Director of Research Institute

Oh Hyun-kyung

Young-hee

민진웅

Jeong-hun