Pemeran The Defects

Yeom Jung Ah

as Kim Se Hui

Pemeran Utama

Won Jin A

as Kim A Hyeon

Pemeran Utama

Choi Young Joon

as Woo Tae Sik

Pemeran Utama

DEX

as Jung Hyeon

Pemeran Utama

Ahn Ji Ho

as Ju An

Pemeran Pembantu

Lee Na Eun (이나은)

as So Mi

Pemeran Pembantu

Oh Seung Jun

as Seok Su

Pemeran Pembantu

Kang Ji Yong

as Choi Si U [Abandoned child]

Pemeran Pembantu

Son Jong Hak

as Kwon Gang Man

Pemeran Pembantu

Song Young Gyu

as Yun Se Hun [Pastor]

Pemeran Pembantu

Jeon Shin Hwan

as Choi Hyeong Seok [Detective]

Pemeran Pembantu

Kim Yong Jin

as [Reporter] (Ep. 1)

Bintang Tamu

Jo Eun Sol

as [Orphan girl] (Ep. 1)

Bintang Tamu

Kim Jin Uk

as [Gambling den staff] (Ep. 1)

Bintang Tamu

Shin Yeon Woo

as Kim A Hyeon [Young] (Ep. 1-5)

Bintang Tamu

Bae Min Hee

as Im Gyeong Mi [So Mi’s mother] (Ep. 2-3, 8)

Bintang Tamu

Park Ha Jun

as Jung Hyeon [Young] (Ep. 3)

Bintang Tamu

Kim Yu Jun

as Ju Eun Gyeol [Student] (Ep. 5)

Bintang Tamu

Kang Hak Soo

as Jun Jae Du [Police commissioner] (Ep. 6, 8)

Bintang Tamu

Cho Yu Ha

as Eun Jo (Ep. 7-8)

Bintang Tamu

Kim Ok Joo

as Choi Seong Sil (Ep. 7-8)

Bintang Tamu

Kim Ji Yoo

as Kim Se Hui [Young] (Ep. 7-8)

Bintang Tamu

Oh Sa Rang

as [Adoptive mother] (Ep. 7-8)

Bintang Tamu

Han Soo Yeon

as [First lady]

Bintang Tamu

Hong Ju Won

as [Funeral reporter]

Bintang Tamu

Do Yeon

as [Classmate]

Bintang Tamu

Kim Byung Jo

Bintang Tamu

Oh Ki Hwan

Sutradara

Kim Soo Ro

as Gwak Dong Cheol [Refund processor] (Ep. 1-2)

Cameo

Yoo Seung Mok

as [Smuggling broker] (Ep. 2, 5)

Cameo

Sung Hoon (성훈)

as [President] (Ep. 4-5, 8)

Cameo

Hwang Seok Jeong

as [Doctor] (Ep. 5, 7)

Cameo