Pemeran Detectives in Trouble

Song Il Gook

as Park Se Hyeok

Pemeran Utama

Lee Jong Hyuk

as Jung Il Do

Pemeran Utama

Song Ji Hyo

as Jo Min Joo

Pemeran Utama

Park Sun Young

as Heo Eun Yeong

Pemeran Utama

Kim Joon

as Shin Dong Suk

Pemeran Pembantu

Sung Ji Ru

as Nam Tae Sik

Pemeran Pembantu

Sun Woo Sun

as Jin Mi Sook (Ep. 1-7)

Pemeran Pembantu

Kim Sun Kyung

as Im Kyeong Eun (Ep.9-16)

Pemeran Pembantu

Jang Hang Sun

as Team leader Kwon

Pemeran Pembantu

Baek Seung Hee

as Shin Yoo Mi [Min Joo's friend]

Pemeran Pembantu

Sun Wook Hyun

as Petit Jang

Pemeran Pembantu

Oh Yong

as Reporter Nam

Pemeran Pembantu

Park Jung Woo

as Kim Cheol Min

Pemeran Pembantu

Kim Yoo Bin

as Park Hae In

Pemeran Pembantu

Park Yong Soo

as Park Young Seok

Pemeran Pembantu

Song Min Hyung

as Deputy Heo

Pemeran Pembantu

Kim Kyu Chul

as Jo Sang Tae

Pemeran Pembantu

Choi In Sook

as [Jo Min Joo's mother]

Pemeran Pembantu

Um Hyo Sup

as Hong Seok-young

Pemeran Pembantu

Choi Eun Suk

as Yoo Myung Cheol

Pemeran Pembantu

Jang Nam Yul

as Ma Jong Pil (Ep. 1)

Bintang Tamu

Jung Tae Ho

as (Ep.1)

Bintang Tamu

Jo Jae Yun (조재윤)

as Yang Do Su (Ep. 1)

Bintang Tamu

Hwang Kwang Hee

as [Se Hyuk's former student]

Bintang Tamu

Seong Chan Ho

as [Victim's father] (Ep. 1)

Bintang Tamu

Kang Hae In

as Oh Eun Ha (Ep.2)

Bintang Tamu

Lee Min Woo

as Lee Dong Suk (Ep.1-3)

Bintang Tamu

Yang Joo Ho

as Choi Tae Soo (Ep.1-3)

Bintang Tamu

Choi Min

as Byeon Sang Tae (Ep. 1-3)

Bintang Tamu

Chae In Woo

as Kim Suk Gyu (Ep.3-4)

Bintang Tamu

Jang Joon Hak

as (Autopsy) (Ep.3)

Bintang Tamu

Park Joon Hyuk

as Kang Sung Chul (Ep.3-4)

Bintang Tamu

Kim Kyung Ryong

as Mr. Min (Ep.3-4)

Bintang Tamu

Lee Yun Ju

as Seol Hee (Ep.3-4)

Bintang Tamu

Oh Ji Yeon

as Oh Eun-joo (Ep.3)

Bintang Tamu

Jung Ho Geun

as [Internal investigation] (Ep.4)

Bintang Tamu

Son Yeo Eun

as Cha Soo Yun (Ep.5-7)

Bintang Tamu

Choo So Young

as Yoon Sung Hee (Ep.5-7)

Bintang Tamu

Seo Kwon Soon

as [Yoon Sung Hee' mother] (Ep.5-7)

Bintang Tamu

Geum Ho Suk

as Lee Joon-Soo (Ep.5-7)

Bintang Tamu

Lee Young Hoon

as Kim Young-tae (Ep.5-7)

Bintang Tamu

Heo Eun Jung

as Kim So Young (Ep. 7-8)

Bintang Tamu

Kim Yoon Hye

as Lee So Min (Ep.7-8)

Bintang Tamu

Chae Min Young

as Han Song Hee (Ep. 7-8)

Bintang Tamu

Kim Min Chae

as [Kim So Young's mother] (Ep. 7)

Bintang Tamu

Evan

as Alex Lee (Ep.7-8)

Bintang Tamu

Cheon Young Min

as [Teenager Mi-sook] (Ep.7)

Bintang Tamu

Yoo Pil Ran

as [Lee So Min's mother] (Ep.8)

Bintang Tamu

Song Kyung Hwa

as [Han Song Hee's mother] (Ep. 8)

Bintang Tamu

Song Shi Yeon

as Park Eun Ah (Ep.9-10)

Bintang Tamu

Lee Ju Seok

as Park Byung Gwong (Ep. 9-10)

Bintang Tamu

Nam Myeong Ryeol

as Kang Man Soo (Ep.9-10)

Bintang Tamu

Lee El

as Yoo Hye Mi (Ep.9-10)

Bintang Tamu

In Sung Ho

as [Witness] (Ep.9-10)

Bintang Tamu

Yoon Sun Woo

as Lee Youg Jun (Ep.11-12)

Bintang Tamu

Shin Seon Hee

as [Young Jun's mother] (Ep. 11-12)

Bintang Tamu

Seo Jung Wook

as [Psychiatric hospital's manager] (Ep.12)

Bintang Tamu

Won Jong Rye

as [Il Do's mother] (Ep.13)

Bintang Tamu

Uhm Hyun Kyung

as Seo Hye Ran (Ep.13-14)

Bintang Tamu

Kim Young Hoon

as Ji Young Ho (Ep.13-15)

Bintang Tamu

Baek Yoon Shik

as Bang Seong Jin (Ep.13-14)

Bintang Tamu

Kim Gwang In

as [Bang Seong Jin's lawyer] (Ep.14)

Bintang Tamu

Ra Hee Jung

as [Seo Hye Ran's neighbor] (Ep.13)

Bintang Tamu

Lee Ju Eun

as Yoo-ri (Ep.13-14)

Bintang Tamu

Yoon Jin Ho

as [Reporter] (Ep. 13-14)

Bintang Tamu

Kim Seon Eun

as [Reporter] (Ep.13)

Bintang Tamu

Shin Chi Young

as [Policeman] (Ep. 14)

Bintang Tamu

Park Kyu Jum

as Kim Hong Tae [Serial Murder Detective] (Ep.15)

Bintang Tamu

Kim Ri Na

as Kim Jun Hee (Ep. 5-7)

Bintang Tamu

Do Ha

as Jung Il Do [Young]

Bintang Tamu

Kwon Gye Hong

Sutradara

Lee Eun Jin

Producer

Park Seong Jin

Screenwriter

Lee Su Hyeon

Screenwriter