Pemeran Gap Dong

Yoon Sang Hyun

as Detective Ha Moo Yeom

Pemeran Utama

Lee Joon (이준)

as Ryu Tae O

Pemeran Utama

Kim Min Jung (김민정)

as Oh Maria

Pemeran Utama

Kim Ji Won

as Ma Ji Wool / Matilda

Pemeran Utama

Sung Dong Il

as Yang Chul Gon [Chief detective]

Pemeran Utama

Jung In Ki

as Cha Do Hyuk

Pemeran Pembantu

Kang Nam Gil

as Han Sang Hoon

Pemeran Pembantu

Jang Gwang

as Jin Jo [Monk]

Pemeran Pembantu

Jo Ji Hwan

as Lee Hyung Nyun [Detective]

Pemeran Pembantu

Choo Soo Hyun

as Oh Young Ae [Detective]

Pemeran Pembantu

Yoon Kyun Sang (윤균상)

as Yoon Kyun Sang [Detective]

Pemeran Pembantu

Hong In Young

as Hong Sung Hee [Reporter]

Pemeran Pembantu

Min Sung Wook

as Nam Gi Ri [Detective]

Pemeran Pembantu

Jung Won Joong

as Park Jung Goo [Prosecutor]

Pemeran Pembantu

Jang Hee Woong

as Seo Ji Hoon [Prosecutor]

Pemeran Pembantu

Jang Hee Soo

as Kim Young Mi [Maria's mother]

Pemeran Pembantu

Seo Joo Hee

as Ji Hwa Ja [Ji Wool's mother / Chicken restaurant owner]

Pemeran Pembantu

Lee Young Eun

as Lee Soon Shim (Ep. 3)

Bintang Tamu

Woo Jung Kook

as Mr. Jo (Ep. 6)

Bintang Tamu

Jung Yoo Min

as Lee Jung Sook (Ep. 14)

Bintang Tamu

Lee Go Eun

as Seon Joo [Young]

Bintang Tamu

Hyun Woo (현우)

as Gap Dong [Young]

Bintang Tamu

Yoon Chan Young (윤찬영)

as Ryu Tae O [Young]

Bintang Tamu

Jeong Jae Min

as Ha Moo Yum [Young]

Bintang Tamu

Jung Chan Bi

as Oh Maria / Kim Jae Hee [Young]

Bintang Tamu

Jung Da Woon

as Da Hye

Bintang Tamu

Sa Hee

as Jung Mi Ra

Bintang Tamu

Park Dong Bin

as Bae Sang Ki

Bintang Tamu

Yoo Eun Ho

as Yang Sun Joo

Bintang Tamu

Kim Min Sang

as Choi Tae Shik

Bintang Tamu

Jung Geun

as Park Ho Seok

Bintang Tamu

Lee Seung Ho

as Kim Shin Yong

Bintang Tamu

Ha Jun (하준)

as Na Do Hyeong

Bintang Tamu

Park Jung Woo

as Yoon [Team leader]

Bintang Tamu

Choi Min

as Peter Park [Tae O’s lawyer]

Bintang Tamu

Lee Su Ryeon

as [Victim]

Bintang Tamu

Choi Sung Jae

as [Detective]

Bintang Tamu

Lee Dong Jin

as [Psychiatrist]

Bintang Tamu

Jo Seung Yun

as [Tae Oh’s lawyer]

Bintang Tamu

Kim Ga Eun

as [High school student]

Bintang Tamu

Jang Young

as [Researcher]

Bintang Tamu

Jo Wang Byeol

Bintang Tamu

Park Yong

Bintang Tamu

Park Rosa

Bintang Tamu

Park Ji Yun

Bintang Tamu

Hwang In Jun

Bintang Tamu

Kim Kyung Nam

Bintang Tamu

Kim Jung Han

as [Paramedic]

Bintang Tamu

Mun Seong Nam

Composer

Jo Soo Won

Sutradara

Shin Yong Hwi

Sutradara

Kwon Eum Mi

Screenwriter