Lee Je-hoon
Gi-tae
Seo Jun-young
Dong-yoon
Park Jeong-min
Hee-joon
Cho Seong-ha
Father
Lee Cho-hee
Se-jeong
Bae Je-gi
Jae-ho
Kim Lok-kyoung
Hyeon-soo
Heo Ji-won
Ji-won
Shin Un-seop
Detective
J
Jeon Min-hyun
Lego
M
Min Jong-gi
Raccoon
J
Jang Dae-yun
Teacher
Y
Yoo Ann
Dong-yoon's mother
Y
Yoon Yeong-seop
Se-jeong's father
K
Kang Bong-sung
Teacher