Jung Jae-young

as Min Ki-hyun

as Chen Lin

as Dr. Jung Byeong-ho

as Choi Ban-seok

as Jun-geol

as Baek Beom

as Jang Deuk-cheon

as Myungsoo

as Ha Jae-kwan

as Ham Chunsu

as Jin Sang-pil

as Gap-su

as Lee Sang-hyeon

as Han Jung-seok

as Woo-seok

as Jaehak

as Det. Choi Hyung-goo

as Tae Gun-ho

as Kim Sang-nam

as Man in Taekwondo uniform

as Cheon Yong-deok

as Mr. Kim

as Seol-joo

as Lee Won-sool

as Jeong Do-man

as Father Goose (voice)

as Dong Chi-sung

as Dae-chul

as Hong Man-taek

as Bully

as Chief Comrade Lee Su-hwa

as So-and-so

as Dong Chi-sung

as Sang-pil

as Husband of Dong-jin's Ex-wife

as Dok-bul

as Jae-young

as Nonstop

as Seong-bin's Older Brother

as Thief 2

as Hyun-suk

as Heckler

as Bully