Pemeran Devilish Joy

Choi Jin Hyuk (최진혁)

as Gong Ma Sung

Pemeran Utama

Song Ha Yoon

as Joo Ki Beum

Pemeran Utama

Lee Ho Won

as Sung Ki Joon

Pemeran Utama

Lee Ju Yeon

as Lee Ha Im

Pemeran Utama

Lee Su Ji

as Go Nan Joo [Ki Beum's friend]

Pemeran Pembantu

Kim Min Sang

as Doctor Yoon [Ma Sung's doctor]

Pemeran Pembantu

Yang Byeong Yeol

as Joo Ja Rang [Ki Beum's brother]

Pemeran Pembantu

Kim Ji Young

as Joo Sa Rang [Ki Beum's sister]

Pemeran Pembantu

Oh Gwang Rok

as Joo Man Shik [Ki Beum's father]

Pemeran Pembantu

Jeon Soo Kyung

as Gong Jin Yang [Ma Sung's aunt]

Pemeran Pembantu

Jung Soo Kyo

as Kim Beom Soo [CEO]

Pemeran Pembantu

Jang In Sub

as Yang Woo Jin [Ma Sung's secretary]

Pemeran Pembantu

Ahn Se Ha

as Myung Seok Hwan

Pemeran Pembantu

Jung Jae Sung

as Jang Uk Jin [Gi Jun's boss]

Pemeran Pembantu

Jeon Hyun Sook

as Gong Jin Joo [Ma Sung's aunt]

Pemeran Pembantu

Kim Do Yeon

as Gong Jin Dan [Ma Sung's aunt]

Pemeran Pembantu

Joo Jae Hoo

as Jae Min [Ki Joon's manager]

Pemeran Pembantu

Lee Woo Joo

as [Ma Sung's friend]

Pemeran Pembantu

Jung Ae Hwa

Pemeran Pembantu

Ahn Da Eun

Pemeran Pembantu

Kwon Hyuk Soo

as Kim Byeong Tae [Director] (Ep. 1-2)

Bintang Tamu

Choi Seung Hoon

as Gong Ma Sung [Young]

Bintang Tamu

Seo Yun Hyuk

as Sung Ki Joon [Young]

Bintang Tamu

Park Soo Young

as Kang Song Hwa [TN Group's daughter]

Bintang Tamu

Lee Jung Hyuk

as Min Hyung Joon

Bintang Tamu

Myung Seok Geun

as [Doctor]

Bintang Tamu

Jung Kang Hee

as [Performer for show 'Star Survival']

Bintang Tamu

Kim Joo Ah

as [Art gallery director]

Bintang Tamu

In Sung Ho

as [Fisherman]

Bintang Tamu

Gi Yeon Ho

as [Grandfather]

Bintang Tamu

Seo Eun Yool

as Sung Ki Joon [Young]

Bintang Tamu

Jin Hyun Kwang

as [Prosecutor]

Bintang Tamu

Shin Sung Min

Bintang Tamu

Park Mi Ri

as [Cafe female customer 1]

Bintang Tamu

Park So Yi

as Joo Ki Beum [Young]

Bintang Tamu

Park Joon Soo

as [Bus passenger]

Bintang Tamu

Jung Myung Joon

as [Fountain Pen Shop staff]

Bintang Tamu

Nam Sung Joon

as [Sunwoo Hospital neurologist]

Bintang Tamu

Lee Jung Woo

Bintang Tamu

Kim Jung Han

as [Chinese police]

Bintang Tamu

Kong Jin Seo

as [Idol]

Bintang Tamu

Yoon Seol Ah

as Gong Jin Yeong

Bintang Tamu

Jang Yu Jin

as [Cafe staff]

Bintang Tamu

Jeon Jae Hong

Bintang Tamu

Ho Sol Hee

as Hyo Won

Bintang Tamu

Moon Chang Jun

as [Staff]

Bintang Tamu

Lee Ga Won

as Jin So Young

Bintang Tamu

Kwon Chan Min

as [Assistant director]

Bintang Tamu

Kim Ga Ram

Sutradara

Choi Ji Yeon

Screenwriter