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Shim Kyu-hyuck - Park Hyung Seok (Small) (voice)Han Shin - Park Hyung Seok (Big) (voice)Ryu Seung-gone - Lee Jin Seong / Park Jong Gun (voice)Jeong Jae-heon - Vasco / CEO / Lee Nam Su (voice)Nam Doh-hyeong - Jin Ho Bin / Jang Gi Seok / Kim Mae Sik / Park Bum Jae (voice)Hwang Chang-yung - Pyun Deok Hwa / Lee Tae Sung / Oira (voice)Sa Moon-young - Park Ha Neul / Female Student / Female Extra (voice)Lee Kyung Tae - Park Ji Ho (voice)Kim Hyeon-uk - Lee Hyun Do / Go Jeong Gi / Kim Seul Bum (voice)Lee Gyu-chang - Na Yu Eop / Park Han Gyul / Homeroom Teacher (voice)Bae Jeong-mi - Choi Soo Jeong / Deok Hwa's Grandmother / Female Student (voice)Kim Ok-kyung - Hyung Seok's Mom (voice)
Ratings
from TMDB8.3/ 10304 votes