Paul Chong Hasang
Lee Ji-hoon
Ji-ho
Baek Kwang-hyun
Park Jin-han
Kim Hyo-chan
Investigator
Prince Yeonsan
Dong-joon
Lee Woo-gon
Tae-kyu
Baseball Team Director
Jung-ha's Younger Brother (cameo)
Yang Choon-dong
Ahn Min-Chul
Joo Young-jak
Robot repairman Park Do-won
Kim Cheol
Kang Jeong-ho
Kang Hyun-woo / Jung-ha's Younger Brother
Chun-soo
Kyu-chul
Detective Cho Kyung-yoon
Sung-chan
Kim Man-soo
Boss Nam
Tak Jun-ha
Moggy
Ju-ho
Min-ho
Private Cho
