Cast

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

Crew

K
Kang Hei Chul
Director
P
Park So Young
Director
H
Han Seung Woo
Director
J
Jo Hun
Storyboard Artist
L
Lee Jae Bum
Storyboard Artist
K
Kim Eun Joo
Storyboard Artist
M
Moon Hoo Young
Storyboard Artist
K
Kim Joong Cheol
Storyboard Artist
P
Park Ju Hyeon
Storyboard Artist
J
Jo Byung Hee
Storyboard Artist