Cho Byeong-kyu

as So Mun

as Cafe Part-timer

as Cho Chung-hwan

as Satenik

as Cha Gi-jun

as Youngest Detective

as Han Jae Hee

as Cho Byung-kyu

as Baek Seok-Hee (young)

as Ko Hoon-Jung

as Go Woo-chul

as Self

as Kim Jong-il

as young Pil-Joo

as Self

as Kim Bok-Kyu

as Johan

as Self

as Jeon Woo-seok

as Lee Bong-soo

as Seo Min Gi

as Do Gun-tae

as Yoo Ro-han

as Seo Min-ki

as Kim Min-Joong

as Hang-nam

as Dong-hoon

as Je-a

as 김종일

as 한기우

as Self