虽然电视剧是根据《偶像大师》改编，故事也是围绕着偶像的成长、表演和友情展开，但是原作中的游戏角色并不会在剧中出现。电视剧的剧情完全以韩国的艺人事务所及娱乐产业所为舞台进行原创，讲述的是韩国那些少女偶像们成长的故事
Lee Su-ji
Suji (Rookie Team) / Suah (Red Queen Former Member)
Lee Yeeun
Yeeun (Rookie Team)
Cha Ji-seul
Jiseul (Rookie Team)
Waranluck Phonpawiworakun
Mint (Rookie Team)
Haseo Kwon
Haseo (Rookie Team)
Youngjoo Heo
Youngjoo (Debut Team)
Jane Cheon
Jane (Debut Team)
Yukika Teramoto
Yukika (Debut Team)
Lee Ji-won
Jiwon (Debut Team)
Jeong Taeri
Taeri (Debut Team)
Lee Ga-eun
Chae Na Kyung (Red Queen)
Jo So-jin
Hyeju (Red Queen)
Kim Sun-young
Mina (Red Queen)
Sung Hoon
Kang Shin Jyuk (Staff)
