Kadro (15)
Lee Soo-hyunLee So-ri (voice)
Kim Min-juPark Dong-soon (voice)
Min Seung-wooJung Ho-yeon (voice)
Nam Doh-hyeongAhn Seung-kyu (voice)
Kim Yeon-wooKim Ji-min (voice)Lee Mi-naKim Sunny / Lee Su-kyung (voice)Kim Chae-rinCho Ho-ran (voice)Kim Yea-limYang Song-hee (voice)
Kim A-rongYoung Lee So-ri (voice)Lee SerenaYoung Jung Ho-yeon (voice)Park Ki-wookLee So-ri's Father (voice)Kim Soon-miDoctor (voice)
Kim Hyeon-ukJersey (voice)Won Jong-junMask (voice)Choi Hyun-sikBully from Hanwol Middle School (voice)