Cast 38
Song Joong-kiWolf-Boy / Chul-soo
Park Bo-youngYoung Sun-yi / Eun-ju
Yoo Yeon-seokJi-tae
Lee Young-ranSun-yi
Jang Young-namSun-yi's Mother
Kim Hyang-giSun-ja
Yoo Seung-mokProfessor Kang Tae-shik
Shin BiDong-mi
Woo Jung-kookMr. JungGGoo Bon-imMrs. Jung
Lee Jun-hyeokPolicemanSSoel Oh-shinThug 1 (uncredited)HHan Min-hikThug 2 (uncredited)CChuay Kwong-lakThug 3 (uncredited)SSung Du-hyungMan in Black Suit 1 (uncredited)CCha Jong-hoMan in Black Suit 2 (uncredited)
Seo Dong-sooArmy Colonel (uncredited)JJung In-gum(uncredited)LLee In-ho(uncredited)OO Yeong-seokPoliceman 2 (uncredited)KKu Lu-han(uncredited)KKim Chul-junConstruction Worker at Market 1 (uncredited)PPark Young-shikConstruction Worker at Market 2 (uncredited)KKim Seung-hunPublic Official (uncredited)
Koo Kyo-hwanDrunk Man (uncredited)
Kim Eun-sookMilitary Chief (uncredited)HHong Sung-kiAcupuncturist (uncredited)
Hong Hee-wonHospital Doctor
Lee Min-woongDr. Kang's Assistant (uncredited)
Nam Jung-heeDong-suk's Grandmother (uncredited)
Ahn Do-gyuDong-suk (uncredited)KKim Hae-eunWoman Renting Mr. Jung's Room (uncredited)LLee Sung-juSun-yi's Son (uncredited)JJang seo-yiSun-yi's Daughter-in-Law (uncredited)JJo Jae-yunSun-yi's Grandson (uncredited)
Kim Jong-gooSun-yi's Father (uncredited)SShin Yeong-cheolEun-ju's Boyfriend (uncredited)SSeol Woo-sinGangster 1Crew 27
Art
Camera
Costume & Make-Up
Directing
Editing
Lighting
Production
Park Cheol-suExecutive ProducerKKim Hyun-kyuLine ProducerKKim Su-jinProducerOO Yeong-seokProducerYYoon In-beomProducerSSon Moon-sungProduction ManagerKKim Bo-raProduction SupervisorSound
Visual Effects
PPark Choul-yongSpecial Effects SupervisorJJang Seong-hoVisual EffectsPPark Yeong-suVisual Effects
Jang Seong-hoVisual Effects Supervisor
Jang Seong-hoVisual Effects Supervisor