Bae Doona
Ok Taek-seon
Acting
Kim Yun-seok
Lee Gyun
Acting
Chang Ki-ha
Kim Yeon-woo
Acting
Son Suk-ku
Nam Su-pil
Acting
Moon Sung-keun
Professor Seong
Acting
Kim Hie-won
Director of Research Institute
Acting
Oh Hyun-kyung
Young-hee
Acting
Min Jin-woong
Jeong-hun
Acting
Yeom Hye-ran
Ms. Yeom
Acting
Yoo Soon-woong
Na Jeong-bae
Acting
Lee Kyung-jin
Taek-seon's Mother
Acting
Choi Hyung-in
Gyun's Mother
Acting
Kim Ye-won
Ji-seon
Acting
Park Hee-von
Yi-ju
Acting
Kwak Min-ho
Manager Kim
Acting
Hong Seok-bin
Doctor 1
Acting
Kim Kyeong-il
Doctor 2
Acting
Cha Si-won
Cop 1
Acting
Car, the garden
Cop 2
Acting
Lee Nam-gyeong
Young Taek-seon
Acting