Pemeran Idol: The Coup

Ahn Hee Yeon (안희연)

as "Jenna" / Kim Je Na

Pemeran Utama

Ahn Sol Bin

as "Hyun Ji" / Oh Hyun Ji

Pemeran Utama

Han So Eun (한소은)

as "Stella" / Jang Stella

Pemeran Utama

EXY

as "L" / Kang Yu Ri

Pemeran Utama

Ryu Ji Won

as "Chae A" / Park Chae Ah

Pemeran Utama

Kwak Shi Yang (곽시양)

as Cha Jae Hyuk

Pemeran Utama

Kim Min Kyu

as Seo Ji Han

Pemeran Utama

Cho Jun Young

as "Ray" / Han Sun Woo [Mars member]

Pemeran Pembantu

Baek Seo Hoo

as "Tae Young" / / Park Tae Young [Mars member]

Pemeran Pembantu

Hong Eun Ki

as "Yul" / Kim Yul [Mars member]

Pemeran Pembantu

Lee Eun Sang

as "Dan" / Park Eun Dan [Mars member]

Pemeran Pembantu

Cha Sun Woo

as Troy

Pemeran Pembantu

Ahn Se Ha

as Yoon Se Yul

Pemeran Pembantu

Kim Kyung Il

as Assistant Manager Park

Pemeran Pembantu

Lee Soo In

as [StarPeace Entertainment Staff]

Pemeran Pembantu

Lee Yoo Jin

as Bbiyong [Producer]

Pemeran Pembantu

Jung Woong In

as Ma Jin Woo [CEO]

Pemeran Pembantu

Kang Jae Joon

as Jin Doo Ho [Manager]

Pemeran Pembantu

Park Si Hyun

as Ae Rin [Hyun Ji's Friend]

Pemeran Pembantu

Park Joon Soo

as Ko Seok Chun

Pemeran Pembantu

Kim Ye Ji

as Romy [Highteen]

Pemeran Pembantu

Oh Su Yun

as Lee Ju Yeon [Assistant manager]

Pemeran Pembantu

Jang Sung Kyu

as Jang Sung Kyu [Radio host] (Ep. 1)

Bintang Tamu

BIG Naughty

as [Himself] (Ep. 1)

Bintang Tamu

Narsha

as [Herself] (Ep. 1)

Bintang Tamu

Jang Young Hyun

as [Producer] (Ep. 1)

Bintang Tamu

Choi Yo Woon

as [Audience member] (Ep. 1)

Bintang Tamu

Lim Seo Won

as Hyun Ji [Young] (Ep. 2)

Bintang Tamu

Kim Jin Geun

as Park Seong Jin [CEO] (Ep. 2, 6-7, 9)

Bintang Tamu

Son Suk Bae

as [Hyun Ji's father] (Ep. 2)

Bintang Tamu

Kim Byung Chun

as [Management director] (Ep. 2)

Bintang Tamu

Lee Yo Sung

as [Fast food restaurant manager] (Ep. 2, 11)

Bintang Tamu

Kim Ji In

as So Yeon [KillA] (Ep. 3, 7-8, 12)

Bintang Tamu

Song Hoon

as [Chief] (Ep. 3)

Bintang Tamu

Jung Yoon Hee

as [Film production member] (Ep. 3)

Bintang Tamu

Jeong Yoon Hee

as [Film production member] (Ep. 3)

Bintang Tamu

Kim Ki Yeon

as [L's mother] (Ep. 4)

Bintang Tamu

Park Sang Hwi

as [Culture Foundation staff] (Ep. 5)

Bintang Tamu

Yoon Sung Hyuk

as [Bbiyong's friend] (Ep. 5)

Bintang Tamu

Kwon Dong Won

as [Dormitory staff] (Ep. 5, 7)

Bintang Tamu

Shin Jae Hoon

as Mo Ga Jin [Reporter] (Ep. 5, 8-9, 11-12)

Bintang Tamu

Kim So Eun

as [Troy's employee] (Ep. 6)

Bintang Tamu

Yoon Bok In

as Dr. Cha (Ep. 7-8)

Bintang Tamu

Park Joon Sang

as [Management company CEO] (Ep. 8)

Bintang Tamu

Kang Cho Won

as [Mars fan] (Ep. 9-10)

Bintang Tamu

Lia Kim

as Lia Kim (Ep. 10)

Bintang Tamu

Son Byung Ho

as Kim Ho Young (Ep. 10-11)

Bintang Tamu

Kim Min Joon

as Seo Ji Han [Young] (Ep. 10)

Bintang Tamu

Lee Ga Yeon

as Kim Jung Yeon [Kim Ho Young's Daughter] (Ep. 11)

Bintang Tamu

Oh Jung Yeon

as [Interviewer] (Ep. 11)

Bintang Tamu

Oh Yoon Hong

as [Stella's mother] (Ep. 11)

Bintang Tamu

Lee Joong Yul

as Gyeong Tak (Ep. 12)

Bintang Tamu

Eun Seo

as [Herself; Music Tank MC] (Ep. 12)

Bintang Tamu

Kang Min Hee

as [Himself; Music Tank MC] (Ep. 12)

Bintang Tamu

Kyung Ki Hyun

as [Vlogger] (Ep. 12)

Bintang Tamu

Son Sook

as [Hyun Ji's grandmother] (Ep. 12)

Bintang Tamu

Lee Chang Won

Bintang Tamu

Park Jun Hyuk

as Cha Jae Hyuk [Teen] (Ep. 10)

Bintang Tamu

Raiden

as [Himself] (Ep. 1)

Bintang Tamu

Kim Joon Ho

Bintang Tamu

Kim Jeong Nam

as [Audience member] (Ep. 1)

Bintang Tamu

Kim A Yul

as [Idol fan] (Ep. 11)

Bintang Tamu

Jang Eun Seo

as Seong Ji Hye [Writer] (Ep. 1, 10)

Bintang Tamu

Kim Jin Kyu

as [Reporter] (Ep. 9-10)

Bintang Tamu

Kim Han Sol

as Seo Ji Han [Child] (Ep. 10)

Bintang Tamu

Noh Jong Chan

Sutradara

Jung Yoon Jung

Screenwriter