Actors
BD
Bae Doona
Ok Taek-seon
KY
Kim Yun-seok
Lee Gyun
CK
Chang Ki-ha
Kim Yeon-woo
SS
Son Suk-ku
Nam Su-pil
MS
Moon Sung-keun
Professor Seong
KH
Kim Hie-won
Director of Research Institute
OH
Oh Hyun-kyung
Young-hee
MJ
Min Jin-woong
Jeong-hun
YH
Yeom Hye-ran
Ms. Yeom
YS
Yoo Soon-woong
Na Jeong-bae
LK
Lee Kyung-jin
Taek-seon's Mother
CH
Choi Hyung-in
Gyun's Mother