- Kim Hieora - Gelly Choi
- Kim Hyun Wook - Wong Liqiang
- Moon Sook - Wigen
- Kim So-ra - Kim Gi-ran
- ??? - Kim Jeong-yeong
- ??? - Kwon Su-ho
- Kwon Duk-in - Lee U-sik
- Choi Kwang-je - Jong-guk
- Kim Eun-soo - Kim Ung-min
- ??? - Shin Myeong-hwi
- Lee Ji-won - Lim Ju-yeon
- Yoon Joo-sang - Ha Seok-gu
- Lee Do-yeop - Cho Tae-shin
- ??? - Jang Chun-ok
- Lee Kyeong-min - Kang Han-ul
- Jung Won-chang - Shin Hyeok-u
- Hong Ji-hee - Lee Min-ji
- ??? - Shin Jeong-ae
- Park Jeong-bok - Park Seong-uk
- ??? - Baek Hyang-hui
- Jeong Taek-hyeon - Lim Jae-youl
- Seo Byuk-joon - Park Do-hwi
- ??? - Baek Jun-kyu
- Kim Ji-Hoon - Jun-hui
- Kim Seung-hoon - Noh Hang-gyu
- Jeon Jin-oh - Noh Chang-gyu
- Son Ho-jun - Oh Jeong-gu
- ??? - Jang Cheol-jung
- Jun Suk-ho - So Gwon
- ??? - Ha Mun-yeong
- Kim Geon-u - So Mun (Young)
- Kim Yeon-woo - Jung Geun-yeong
- Lee Sang-hong - Seong-hyeon's Father
- Kim Si-eun - School Girl
- Kang Jeong-woo - Mr. Han
- ??? - Ddeok-dae
- Jang Won-hyuk - Jeong-kwon
- Park A-sung - Ha-jeong
- Kim Geon-ho - Teacher
- Park Ki-ryung - Bully Father
- Son Kang-gook - Choi Su-ryong
- Park Jin-soo - Chief Pyo
- ??? - Heo Hui-yeong
- Ahn Soo-ho - Heo Tae-su
- So Hee-jung - Bae Jeong-suk
- Choi Kyo-sik - School Girl's Father
- Lee Do-gyeong - Jeon Gi-hwan
- Gu Bon-jin - Police Officer
- Jang Ui-don - Police Officer
- Cha Si-won - Lim Jae-cheol
- Lee Jong-yoon - Evil Spirit
- Park Eun-young - Patient Caregiver
- Kwon Hyuk - Bae Sang-pil
- Kim Yi-kyeong - Kim Yeong-nim
- Park Seo-yeon - Kim Dan-o
- Lee Ye-bit - Kim Dan-bi
- Shim Young-Min - Kwon Jin-seung
- Jeong Ji-ho - Ji Hyeong-u
- Park Sang-hyeok - Do Ha-na's Father
- Seol Chang-hee - Blood Laboratorium Staff
- Kim Jun - Boy with Snack
- Kim Kwang-shik - Song Man-ho
- Kim Gwi-seon - Leader of Reforms Party
- Jang Young-hyeon - Park Sang-chul
- Min Sang-woo - Taesin's Security Staff
- Kim Oh-bok - Taesin's Employee
- Oh Kyu-taek - Golf Club Employee
- Yang Taek-ho - Evil Spirit
- Park Seoung-tae - Han Seung-woo's Grandmother
- Jeong Dong-geun - Prosecutor
- Woo Mi-hwa - Kim Chal-gwan
- Lee Do-guk - Kwon Jin-ho
- Kim So-young - KNC Announcer
- Jo Ha-seok - Choi Yeong-il
- Shin Dong-ryeok - Jang-su
- Nam Tae-woo - Jang-su's Colleague
- Lee Kyu-sub - Cho Tae-sin's Subordinate
- Seo Wang-suk - Cheater
- Kim Do-young - Lee Seon-ho's Brother
- Son Sang-kyung - Big Build
- Lee Jin-hong - Doctor
- Yoo Tae-joo - Subordinate
- Shin Na-ra - Subordinate
- Kim Joo-ah - Kim Jeong-yeong's Mother
- Kim Do-hyeong - Employee
- Yoon Hwan - Boyfriend of Girl in the Toilet
- Lee Jeong-yeol - Shim Kyu-chan
- Kim Gyeong-min - Shin Myeong-hwi's Attorney
- Kang Ji-hoon - SDC Announcer
- Lee Jung-yeol - Dashcam Owner
- Choi Yoon-woo - Ji Cheong-sin (Young)
- Choi Go - Orphan
- Shin Jae-won - Boy with Ball
- Yi Seo - Jeong-eun
- Kim Jin - Nurse
- Mi Seok - Kim Deok-sik
- Lee Byeong-cheol - Shin Myeong-hwi's Supporter
- Yoon Jong-goo - Taxi Driver
- Kim Min-seung - Shin Hyeok-u (Young)
- Jang In-ho - Male Evil
- Ha Dong-jun - Prosecutor
- Park Yong - Judge
- Kim Bong-soo - Saved Soul
- Han Ji Seok - Chinese Counter
- Park Tae-san - Chinese Counter
- Heo Dong-won - Heo Je-hun
- Choi So-yul - Choi Na-yul
- Jung Jae-won - Chief Detective Kim Kwang
- Bae Hyun-kyung - Detective Jang Jae-seok
- Lee Tae-kyung - Kindergarten Teacher
- Jeon Jun-woo - Firefighter
- Kim Hyeon-jun - Lee Chung-jae
- Eom Ji-yoon - Su-min
- Shin Hyeon-jong - Na Jeok-bong's Father
- Park Jeong-min - Judge
- No Hui-jung - Scam Victim
- Jung Min-seop - Firefighter
- Lee Ji-hyeon - Piano Academy Student Ye-ji
- Lee Byeong-Soo - Prisoner
- Baek In-Kwon - Prisoner
- Song Byeong-geun - Seong-sik
- Choi Seung-Il - Seong-sik's Father
- Jung You-me - Ma Ju-seok's Evil Spirit
- Ryu Kyeong-hwan - Money Launderer
- Lee Dong-yong - Warden
- Kim Yong-jin - Prison Guard
- Guk Joong-woong - Doctor
- Park Ji-hong - David
- Ha Jae Yeol - Kim Pil-won
- Park Se-jun - Apartment Salesman
- Josh Newton - Foreign Gang Member
- Ангелина Данилова - Jade
- Kim Pan-kyum - Doctor
- Seol Jun-su - Police Officer
- Song In-seop - Police Officer
- Byeon Jeong-hyeon - Police Officer
- Youn So-il
- You Sun-dong
- Jang E
- Kim Sae-bom
- Park Hun-joo
- Kim Seon-tae
- Park Ji-young
- Lee Se-hee
- Kim Woo-kun
Cho Byeong-kyu interpreta a So Mun en la serie.
Yu Jun-sang interpreta a Ga Mo-tak en la serie.
??? hace el papel de Choi Jang-mul.
??? interpreta a Do Ha-na en la serie.
??? interpreta a Chu Mae-ok en la serie.
Yoo In-soo hace el papel de Na Jeok-bong.
??? interpreta a Ma Ju-seok en la serie.
??? interpreta a Hwang Pil-gwang en la serie.
Kim Hieora interpreta a Gelly Choi en la serie.
Kim Hyun Wook interpreta a Wong Liqiang en la serie.
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