The Idolmaster KR

The Idolmaster KR is a South Korean television drama based on Bandai Namco Entertainment's The Idolmaster video game series. It premiered on Amazon Prime Video on April 28, 2017 as an Amazon original series. It ran for 24 episodes.
The series was later picked up by the SBS-owned pay TV channels SBS Plus, SBS funE, and SBS MTV. It premiered on these channels on April 28, 2017.

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Cast

Real Girls Project

Lee Su-ji as Suji/Suah
Heo Youngjoo as Youngjoo
Sori as Sori
Yukika Teramoto as Yukika
Kwon Ha-seo as Haseo
Lee Jee-won as Jeewon
Jung Tae-ri as Taeri
Mint as Mint
Lee Ye-eun as Yeeun
Cha Ji-seul as Jiseul
Chun Jane as Jane

Red Queen

Jo So-jin as Hyeju
Kim Sun-young as Mina
Han Hye-ri as Yeri
Lee Ka-eun as Chae Na-kyung

825 Entertainment

Sung Hoon as Kang Shin-hyuk, the former Producer of Red Queen.
Park Chul-min as Shim Min-chul, CEO of 825 Entertainment.
Kang Ye-seul as Yeseul, the girls' manager at 825 Entertainment.

Other characters

Heo Joungjoo as Joungjoo, Youngjoo's younger sister who is a singer-songwriter.
Lee Coco as Coco, an internet broadcast MC.
Jin Nayoung as Nayoung, Sori's friend.
Bae Seul-ki as Kim Dan-oh, a composer and vocal trainer.

Cameo

Kim Jung-ah as vocal training judge
Jung Tae-woo
Euna Kim as a rapper
Gowoon as Bomi
Jung Hee-chul as Haseo's brother
Lee Moo-saeng as Chief Yang

Production

On October 13, 2016, The Idolmaster KR official website posted a notice of a member replacement; an original member of Real Girl Project, Hanabyul, had been replaced by sub-member Jiseul for the series, as Hanabyul was noted to have suffered from a leg injury. One month later, it was revealed that After School's Lee Ka-eun, Nine Muses' Sojin, Tahiti's Ari and I.B.I's Han Hye-ri would be joining the cast as members of 'Red Queen', a popular girl group at the time of Real Girl Project's debut, in the live-action series.