Pemeran Children of Nobody

Kim Sun Ah (김선아)

as Cha Woo Kyung [Child counselor]

Pemeran Utama

Lee Yi Kyung (이이경)

as Kang Ji Heon [Detective]

Pemeran Utama

Nam Gyu Ri

as Jeon Soo Yeong

Pemeran Utama

Joo Seok Tae

as Yoon Tae Joo [Psychiatrist]

Pemeran Pembantu

Yeon Je Hyung

as Kwon Chan Wook [Police officer]

Pemeran Pembantu

Park Soo Young

as Hong Gi Tae

Pemeran Pembantu

Baek Hyun Jin

as Go Sung Hwan

Pemeran Pembantu

Lee Hae On

as Ha Na

Pemeran Pembantu

Yoo Eun Mi

as Lee Bit Na

Pemeran Pembantu

Lee Hwa Ryong

as [Autopsy doctor]

Pemeran Pembantu

Hwang In Jun

as Ahn Seok Won

Pemeran Pembantu

Choi Yeon Ho

as Min Ha Jung

Pemeran Pembantu

Choi Yoon Woo

as Han Sol

Pemeran Pembantu

Kim Ji Eun (김지은)

as Min Ju

Pemeran Pembantu

Shin Hee Chul

as Lee Jun Mo

Pemeran Pembantu

Park Yoo Mil

as Lee Yi Kyung

Pemeran Pembantu

Kim Hyun Woo

as [kid]

Pemeran Pembantu

Kim Do Young

as Park Yong Tae

Pemeran Pembantu

Ha Joo Hee

as Park Ji Hye [Ex-convict]

Bintang Tamu

Kim Seung Han

as Jung Seok Woo [car accident victim]

Bintang Tamu

Moon Ye Won

as Choi Mi Sun

Bintang Tamu

Park Geon Rak

as [Lawyer]

Bintang Tamu

Ham Na Young

as Cha U Gyeong [Child]

Bintang Tamu

Kim So Yeon

as Cha Woo Kyeong [teen]

Bintang Tamu

Kwon Yee Eun

as Hallucination

Bintang Tamu

Park Seo Kyung

as Jung Rim [Young]

Bintang Tamu

Seo Hye Jin

as [Kindergarten teacher]

Bintang Tamu

Na Seok Min

as [Police officer]

Bintang Tamu

Kim Yeon Seo

as [Girl]

Bintang Tamu

Park Jin Young

as [Medical examiner]

Bintang Tamu

Park Jun Mok

as Kim Min Gi (Ep. 14)

Bintang Tamu

Bae Yoo Ri

Bintang Tamu

Kim Na In

Bintang Tamu

Kim Ha Neul

Bintang Tamu

Kim Mo Bum

Bintang Tamu

O Su Hyeon

Bintang Tamu

Han Ji Eun

as [Group mom]

Bintang Tamu

Kim Joo Ah

as [Woman meeting Woo Kyung]

Bintang Tamu

Min Seo Young

as Young Sun [Young]

Bintang Tamu

Park Shi Wan

Bintang Tamu

Kwon Chan Min

as [Police officer]

Bintang Tamu

Copykumo

Composer

Jung Se Rin

Composer

Choi Jung Gyu

Sutradara

Do Hyun Jung

Screenwriter

Shin Ji Yeon

as [Prisoner]

Bit part

Kim Hae Won

as [Private tutor]

Bit part