Love was the first human language he'd ever learned.
A Werewolf Boy
Top billed
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. JungGoo Bon-imMrs. Jung
Lee Jun-hyeokPolicemanSoel Oh-shinThug 1 (uncredited)Han Min-hikThug 2 (uncredited)Chuay Kwong-lakThug 3 (uncredited)Sung Du-hyungMan in Black Suit 1 (uncredited)Behind it
Cast
Song Joong-kiWolf-Boy / Chul-sooPark Bo-youngYoung Sun-yi / Eun-juYoo Yeon-seokJi-taeLee Young-ranSun-yiJang Young-namSun-yi's MotherKim Hyang-giSun-jaYoo Seung-mokProfessor Kang Tae-shikShin BiDong-miWoo Jung-kookMr. JungGoo Bon-imMrs. JungLee Jun-hyeokPolicemanSoel Oh-shinThug 1 (uncredited)Han Min-hikThug 2 (uncredited)Chuay Kwong-lakThug 3 (uncredited)Sung Du-hyungMan in Black Suit 1 (uncredited)