- Kwon Sang-woo
- Kang Dae-man
- Sung Dong-il
- Noh Tae-soo
- Seo Young-hee
- Mi-ok
- Pyo Chang-Won
- Self
- Kwangrak Cho
- Kwangrak Choi
- Lee Chung-Hee
- Policewoman
- Son Dam-bi
- Yoon Sa-hee
- Shin Dam-Soo
- Chinese Restaurant Cook
- Choi Deok-moon
- Mr. Kim Jung-Hwan
- Kim Dong-Woo
- Kim Dong-Wook
- Kim Dong-Wook
- Captain Kwon Cheol-In
- Hong Eun-Taek
- Kang Gun-Woo
- Kim Sung Gang
- Chinese Doctor
- Kim Kwang Gyu
- Gwang Goo
- Kim Sung Gyu
- Lee Dae Hyun
- Oh Hee-jun
- Kim Jae-Min
- Cho Hye-Su
- Cho Hye-Sun
- Lim Hyo-Wo
- Lim Hyo-Woo
- Baek In-kwon
- Homeless Man
- Kim Jung-ki
- Chief Of Police
- Kim Kwang-kyu
- Gwang-Gyu
- Lee Kwang-soo
- Hopper
- Hong Kwang-Su
- Hong Kwang-Suk
- Seungmuk Li
- Seungmuk Lim
- Kim Mi-Ji
- Kim Mi-Jin
- Kim Ki Moo
- O'Sherlock
- Nam Myung-Ryeol
- Orphanage Director Woo Won-Il
- Nam Myung-ryul
- (as Myung-Ryul Nam)
- Choe Gwang Rak
- Black Suit Man
- Lee Sang-Cheo
- Lee Sang-Cheol
- Kwon Sang-Wo
- Kwon Sang-Woo
- Hong Seo-Baek
- Thai Secretary
- Jeong Seong-ho
- Black Suit Man
- Park Seong-Il
- Detective Song Jae-Pil
- Park Seong-il
- Detective Song
- Choi Seong-Won
- Detective Cho Young-Cheol
- Kim Seung-Phi
- Kim Seung-Phil
- Park Yeong Shik
- Black Suit Man
- Ahn Soo-ho
- Orphanage Administrator
- Cha Soo-Rin
- Care Hospital Nurse
- Jeon Suk-Chan
- Key Technician
- Kim Sun-Ka
- Kim Sun-Kan
- Park Sung-I
- Park Sung-Il
- Cha Sung-je
- Hwang Do Il
- Kim Sung-Kyu
- Lee Dae-Hyun
- Choi Sung-Wo
- Choi Sung-Won
- Choi Sung-won
- (as Sung-won Choi)
- Park Sung-Yeo
- Park Sung-Yeon
- Park Sung-yeon
- Nurse
- Kim Sungkyu
- Dae-hyun
- Jung Taek-H
- Jung Taek-Ho
- Won Jin
- Black Suit Man
- Kim Won-jin
- Black suit man
- Park Woo-Jae
- Waiter
- Jeong Yeon-J
- Jeong Yeon-Ju
- Jeong Yeon-Joo
- Seo Hee-Yeon
- Jung Yeon-Joo
- Seo Hee-Yeon
- Kim Yeon-Ky
- Lee Jae-Hee
- Park Yeong-Si
- Park Yeong-Sik
- Kim Yeonky
- Kim Yeonkyo
- Kim Yong-Joon
- Plant Manager
- Seo Young-He
- Seo Young-Hee
- Seo Young-Hee
- Seo Mi-Ok
- Park Sung Yun
- Nurse Older Than Yeochi
