- Oh Ryoong - Lee Doo-geun
- Yoon Seok-hyun - Cha Seung-tae
- Park Hoon - Seo Jae-yong
- Kim Kyu-seon - Ashley Kim
- ??? - Choi Jong-rak
- Kim Sun-hoa - Park Mi-young
- Park Se-hyun - Jang Hee-ju
- ??? - Park Yoon-gab
- Kang Hyung-wook - No Bak
- Lee Ki-young - Go Gi-gwang
- Kim Dong-won - Gan Soo-cheol
- Hong Ji-hee - Jang Hye-jin
- Song Gyeong-cheol - Yang Choon-shik
- Yoo Tae-joo - Tak Gwang-yeon
- ??? - Chairman Kang Seong-geun
- ??? - Chairman Kang's Secretary
- Han Dong-ho - Secretary Jo
- Jung Yeon - Kim Gyeong-sook
- Lee Chang-jik - Choi Hae-soo
- Lee Seo-An - Cha Seung-tae's Wife
- Pyo Young-seo - Jerry's sister
- Park Kwang-jae - Jiseong Mental Center staff
- Kim Min - Police Station Student
- Kim Gyeong-min - TV debate moderator
- Lee Do-hye - Tak Kwang-Yeon's sister
- Jang In-ho - Detective
- Park Jeong-bok - prisoner 5362
- Lee Taek-geun - Kong Ji Hoon's secretary
- Cha Si-won - Guard Han Yeon Sung
- Jung Hyung-suk - Man in attendance
- Jang Ui-don - Police officer
- Jung Jae-jin - Mr. Choi
- Woo Hyun-seo - Club hostess
- Baek Seung-ik - Waterfowl
- Im Jae-geun - Reporter
- Sung Nak-kyung - Park Yoon Gab's subordinate
- Jeong Dong-geun - Prosecutor Jeon Soo Il
- Hwang In-jun - Min Byung Nam
- Han Dong-kyu - Mr. Ko
- Park Young-bok - Mr. Yeom
- ??? - Judge
- Lee Kyu-sub - [Prisoner 5161]
- Park Yong - [Judge]
- Lee Sang-kyung - [Waitress]
- Shin Seung-yong - [Angry client]
- Lee Byeong-cheol - [Angry client]
- Kim Oh-bok - [Defendant's attorney]
- Song Ha-Rim - [Prisoner 7941]
- Min Sang-woo - [Prison guard]
- Jin Yong-uk - [Prisoner 2718]
- ??? - [Upstairs neighbor]
- ??? - [Upstairs neighbor]
- Jin Mo - [Prisoner 6678]
- Han Gi-joong - Kim Gap Joo [Secretary general]
- Ma Jeong-pil - [Doctor]
- Kim Won-suk - [Detective]
- Kim Mi-ra - [Patient's guardian]
- ??? - Peter Hong
- Shin Duk-ho - Security Guard Ham
- Hong Seok-bin - [Fishing reservoir man]
- Kim Jung-don - Hwang Ji Hyuk [Guard]
- Yoon Hwan - [Lee Du Geun's assistant]
- Park Hui-eun - [Nam Ki Sung's wife]
- Goo Si-yeon - [Nam Ki Sung's relative]
- Lee Seung-joon - [Nam Ki Sung's relative]
- Kim Do-young - Doctor Hong Kwang Ho
- Bae Ho-geun - Producer Na
- Jang Joon-ho - [Judge]
- Shin Na-ra - [Police officer]
- Han Sa-myeong - [Prisoner 1708]
- Gi Eun-you - Choi Do Ha [Young]
- Park No-gyeong - [Prisoner]
- Mi Seok - [Prisoner 2093]
- Choi Yoon-bin - [Prisoner 6205]
- Lee Keon-gu - [Prisoner]
- Lee Hyun-gul - [Riot officer]
- Lee Yun-sang - [Judge]
- Lim Yong-soon - [Charles Hotel owner]
- Oh Min-jeong - [Nursing home nurse]
- Park Hyo-bin - [Reporter]
- ??? - Kong Ji Hoon [Child, photo]
- Lim Seung-beom - [Reporter]
- Park Sang-hwi - [Reporter]
- Kim Sa-hoon - [Reporter]
- Shim Young-Min - Dr. No Joong Sung
- Kim Geon-ho - [TV debate staff]
- Oh Choong-hwan
- Bae Hyun-jin
- Kim Ha-ram
- Lee Sang-baek
- Kim Young-kyu
- Donghyuk
- Justhis
- Park Se-jun
Lee Jong-suk hace el papel de Park Chang-ho.
?? interpreta a Go Mi-ho en la serie.
Kim Ju-hun interpreta a Choi Do-ha en la serie.
Kwak Dong-yeon interpreta a Jerry en la serie.
Yang Kyung-won hace el papel de Gong Ji-hoon.
??? interpreta a Hyeon Joo-hee en la serie.
Oh Eui-sik hace el papel de Kim Soon-tae.
??? interpreta a Jeong Chae-bong en la serie.
Lee Yoo-jun hace el papel de Han Jae-ho.
Oh Ryoong hace el papel de Lee Doo-geun.
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