Pemeran Oh, the Mysterious

Yoon Kyun Sang (윤균상)

as Oh Il Seung/Kim Jong Sam

Pemeran Utama

Jung Hye Sung

as Jin Jin Young

Pemeran Utama

Jang Hyun Sung

as Kang Cheol Ki

Pemeran Pembantu

Choi Won Young (최원영)

as Jang Pil Sung

Pemeran Pembantu

Kim Hee Won

as Park Soo Chil

Pemeran Pembantu

Yoon Na Moo

as Song Gil Choon

Pemeran Pembantu

Jeon Gook Hwan

as Lee Gwang Ho

Pemeran Pembantu

Kim Da Ye

as Cha Eun Bi

Pemeran Pembantu

Yun Yu Sun

as Kook Soo Ran

Pemeran Pembantu

Yoon Ji Min

as Madame Hong [Hostess]

Pemeran Pembantu

Jeon Sung Woo

as Ddakji

Pemeran Pembantu

Oh Seung Hoon

as Ki Myun Joong

Pemeran Pembantu

Kang Shin Hyo

as Kwon Dae Woong

Pemeran Pembantu

Yoon Chan Young (윤찬영)

as Kim Jong Sam [Young]

Pemeran Pembantu

Shin Yi Joon

as Jin Jin Young [Young]

Pemeran Pembantu

Choi Dae Hoon (최대훈)

as Kim Yoon Soo

Pemeran Pembantu

Jun Ik Ryoung

as Han Cha Kyung

Pemeran Pembantu

Kim Dong Won

as Baek Kyung

Pemeran Pembantu

Yoon Bok In

as Yoo Kwang Mi

Pemeran Pembantu

Park Sung Geun

as Kwak Yeong Jae

Pemeran Pembantu

Kim Young Pil

as Ahn Tae Jung

Pemeran Pembantu

Im Hyun Shik

as Jo Man Suk

Pemeran Pembantu

Do Ki Suk

as Kim Min Pyo

Pemeran Pembantu

Moon Woo Jin

as Han Gang [Cheol Gi's son]

Pemeran Pembantu

Ok Ye Rin

as Cha Eun Bi [Young]

Pemeran Pembantu

Kwon Hwa Woon

as Hyeon Jin Gyeom

Pemeran Pembantu

Choi Hyo Eun

as Kim Ji

Pemeran Pembantu

Yoo Sang Jae

as Myung Jin Seo [Team leader]

Pemeran Pembantu

Jeon Noh Min

as Jin Jung Gil

Pemeran Pembantu

Lee Sang Yi (이상이)

as Lee Kyung Jae

Pemeran Pembantu

Nam Moon Chul

as [Apt. bldg. chief janitor]

Pemeran Pembantu

Baek Suk Kwang

as Lee Young Min [Lee Gwang Ho's Son]

Pemeran Pembantu

Seol Chang Hee

as Prosecutor Joo Sung Woo [Odong Blowfish House Murder Victim]

Pemeran Pembantu

Kim Kyung Il

as [Police officer]

Bintang Tamu

Lee Nam Hee

as [butler Cha]

Bintang Tamu

Kim Chul Yoon

as Nguyen Thi Sang [Foreign Vietnamese Worker]

Bintang Tamu

Joey Albright

as Stoner Joey

Bintang Tamu

Park Jin U

as Young Min

Bintang Tamu

Kim Hye Yoon (김혜윤)

as Kook Su Ran [Young] (Ep. 26)

Bintang Tamu

Jason Scott Nelson

as [Drug Lord]

Bintang Tamu

Tae Won Seok

as [Busan Prison guard]

Bintang Tamu

Lee Seo Hwan

as [Prison officer]

Bintang Tamu

Kim Ye Jun

as Ddakji [Child]

Bintang Tamu

Kim Kang Hoon

as Kim Jong Sam [Young]

Bintang Tamu

Kim Hyeon Bin

as Ddakji [Young]

Bintang Tamu

Shin Ui Jung

Bintang Tamu

Baek Eun Hye

as Yeo Eun Joo [Hostess Witness]

Bintang Tamu

Jung Kang Hee

as Prison Guard [Ep 40]

Bintang Tamu

Kim So Woon

as Yu Ra [Hostess Victim]

Bintang Tamu

Shin Kyung Soo

Sutradara

Lee Hyeon Ju

Screenwriter