Pemeran A Killer Paradox

Choi Woo Shik (최우식)

as Lee Tang

Pemeran Utama

Son Suk Ku (손석구)

as Jang Nan Gam

Pemeran Utama

Lee Hee Jun (이희준)

as Song Chon

Pemeran Utama

Kim Yo Han

as Roh Bin

Pemeran Pembantu

Lee Joong Ok

as Kang Sang Muk

Pemeran Pembantu

Choi Sun Woo

as Gyeong Hwan

Pemeran Pembantu

Im Se Ju

as Choi Gyeong A

Pemeran Pembantu

Jeong E Suh

as Seon Yeo Ok

Pemeran Pembantu

Kwon Da Ham

as Yong Jae

Pemeran Pembantu

Roh Jae Won

as Ha Sang Min

Pemeran Pembantu

Hyun Bong Sik

as Park Hyeong Sa

Pemeran Pembantu

Lee Ji Hoon

as Moon Myeong Jun

Pemeran Pembantu

Han Ji An

as Hyung Ji Su

Pemeran Pembantu

Moon Young Dong

as Lee Gwang Hun (Ep. 1)

Bintang Tamu

Lee Su Hyung

as [Expert] (Ep. 1)

Bintang Tamu

Lee So Geum

as [Customer] (Ep. 1)

Bintang Tamu

Kim Geum Soon

as [Gwang Hun’s wife] (Ep. 1)

Bintang Tamu

Jeon Hyun Sook

as Deacon Lee (Ep. 2)

Bintang Tamu

Lee Yoon Soo

as [Bank teller] (Ep. 2)

Bintang Tamu

Jang Sun

as Jae Sun (Ep. 3)

Bintang Tamu

Jung Ah Young

as Kang Yeon Seo [Young] (Ep. 3)

Bintang Tamu

Yoon Seo Jin

as [Kang Yeon Seo’s friend] (Ep. 3)

Bintang Tamu

Joo In Young

as [Jae Jun’s mother] (Ep. 3)

Bintang Tamu

Lee Ji Hae

as [Detective Park’s wife] (Ep. 3, 8)

Bintang Tamu

Han Yoon Ji

as Lee Hyeon Ji (Ep. 5)

Bintang Tamu

Song Hyung Soo

as Professor No (Ep. 5)

Bintang Tamu

Kim Tae Moon

as [Doctor] (Ep. 5)

Bintang Tamu

Seol Chang Hee

as [Soo Mart manager] (Ep. 5)

Bintang Tamu

Jo Yi Peul

as [University student] (Ep. 5)

Bintang Tamu

Kim Do Yeon

as [Soo Mart employee] (Ep. 5)

Bintang Tamu

Kim Han Jong

as [Soo Mart employee] (Ep. 5)

Bintang Tamu

Lee Joo Young

as [Choi Gyeong A’s mom] (Ep. 5)

Bintang Tamu

Kim Sun Hye

as [Convenience store owner] (Ep. 5)

Bintang Tamu

Han Ji An

as Hyeong Ji Su (Ep. 6)

Bintang Tamu

Kim Dong Hoon

as Ji Su's boyfriend (Ep. 6)

Bintang Tamu

Han Sang Kyung

as [Gangster] (Ep. 6-7)

Bintang Tamu

Gyeol Hwi

as [Gajok Construction executive] (Ep. 6-7)

Bintang Tamu

Seung Eui Yeol

as Hyeong Jeong Guk (Ep. 7)

Bintang Tamu

Shin Tae Yang

as Roh Bin [Young] (Ep. 7)

Bintang Tamu

Kang Jee Seok

as Jang Nan Gam [Teen] (Ep. 7)

Bintang Tamu

Jang Eui Don

as [Party official] (Ep. 7)

Bintang Tamu

Yoo Il Han

as [Mapo detective] (Ep. 7)

Bintang Tamu

Jang Se Won

as [CCTV center staff] (Ep. 7)

Bintang Tamu

Yoon Dan Bi

as [CCTV center staff] (Ep. 7)

Bintang Tamu

Jo Nam Yung

as [Jeong Guk’s bodyguard] (Ep. 7)

Bintang Tamu

Kim Yun Bae

as [Jeong Guk’s bodyguard] (Ep. 7)

Bintang Tamu

Mi So Yun

as [Dog shelter staff] (Ep. 7-8)

Bintang Tamu

Choi Seong Hyuk

as [Cellphone repairman] (Ep. 7-8)

Bintang Tamu

Shin Mi Young

as Ms. Hwang (Ep. 8)

Bintang Tamu

Kwon Hyuk Sung

as [Factory manager] (Ep. 8)

Bintang Tamu

Kim Min Joo

as Lee Yeong

Bintang Tamu

Oh Hye Won

as Lee Yu Jeong

Bintang Tamu

Choi Yoon Suk

as Lee Chang Taek

Bintang Tamu

Jung Hoe Rin

as Jung Eun Seon

Bintang Tamu

Oh Woo Ri

as Kang Mi Yeong

Bintang Tamu

Yang Mal Bok

as Shin Jeong Hui

Bintang Tamu

Oh Min Ae

as Deacon Kim

Bintang Tamu

Nam Jin Bok

as Prosecutor Ji

Bintang Tamu

Lee Sang Won

as Kim Jun Hyeok [Detective]

Bintang Tamu

Park Ji Han

as Jung Gang Hyo [Manager]

Bintang Tamu

Park Kyung Geun

as [Captain]

Bintang Tamu

Lee Jae Woong

as [Detective]

Bintang Tamu

Heo Seon Haeng

as [Lee Tang’s dad]

Bintang Tamu

Lee Won Hee

as [Forensics officer]

Bintang Tamu

Choi Won

as [Busan detective]

Bintang Tamu

Seon Yul U

as [Busan detective]

Bintang Tamu

Kim Tae Joon

as [Team 2 detective]

Bintang Tamu

Choi Hee Do

as [Team 2 detective]

Bintang Tamu

Kim Eun Woo

as [Team 3 detective]

Bintang Tamu

Im Seung Min

as Lee Yong Hun

Bintang Tamu

Baek Yu Sung

as Lee Jin Sung

Bintang Tamu

Jo Hyun Woo

as Yeo Bu Il (Ep. 1)

Bintang Tamu

Lee So Won

as Kang Yeon Seo (Ep. 3)

Bintang Tamu

Seo Jae Kwon

as Kang Jae Jun

Bintang Tamu

Ryu Jae Hyuk

as [High school bully] (Ep. 1)

Bintang Tamu

Choi Mi Geum

as [Board game club member] (Ep. 1)

Bintang Tamu

Han Sang Bong

as [Inn owner] (Ep. 7)

Bintang Tamu

Park Se Seung

Cinematography

Dalpalan

Composer

Lee Chang Hee

Sutradara

Kim Da Min

Screenwriter