Cast 66
Lee Jun Young
Kwon Ryok (12 episodes)
Park Ji-yeon
La Ri-ma (12 episodes)
Jung Ji-so
Lee Ma-ha (12 episodes)
Jeong Yun-ho
Lee Yu-jin (12 episodes)
Lim Na-young
Shim Hyun-ji (12 episodes)
Min-seo
Yu Ri-ah (12 episodes)
Hwi Young
Lee Hyun (12 episodes)
Kang Chan-hee
Lee Eun-jo (12 episodes)
Choi Jong-ho
Yoon Hyuk (12 episodes)
Lee Soo-woong
Kim Hyun-oh (12 episodes)
Choi San
Son Min-soo (12 episodes)
Park Seong-hwa
Nam Se-young (12 episodes)
Ahn Jung-hun
Han Jae-woo (12 episodes)
Park Yu-ri
Bang Do Jin [Shax member] (12 episodes)
Danny Ahn
Ji Hak (12 episodes)
Lee Hwi-Seo
Tae Ri [Shax fan club member] (12 episodes)
Choi So-yoon
So Yoon [Shax fan club member] (12 episodes)
Choi Woo-bin
Hyun Woo Jin [Yoo Ri Ah's idol collab partner] (12 episodes)
Yeon Si-woo
Annie / Jang Yoo Ri (12 episodes)
Choi Ki-seob
Nam Joo Tae [Fact Check reporter] (12 episodes)
Kim In-sun
[Actress] (12 episodes)
고태희
[Queen trainee] (12 episodes)
이채현
[Girl Group trainee] (12 episodes)
Jung Yoo-na
[Shax fan club member] (12 episodes)
Shim Eun-jin
Byun Jung-hee (12 episodes)
Kim Jae-il
[Music Holic Entertainment CEO] (2 episodes)
손유지
Herself (2 episodes)
박유림
Herself (2 episodes)
윤하은
Herself (2 episodes)
전지수
[Li Ma's assistant] (2 episodes)
Yum Hae In
Kim Ji Min (2 episodes)
Yoon Man-dal
[Sitcom director] (2 episodes)
신인아
[Actress] (2 episodes)
Lee Se-Wook
[Idols on Air director] (1 episode)
Song In-seop
[Assistant director] (1 episode)
Kim Seung-min
[Actor] (1 episode)
Park Jung-eon
[MML Festival committee chairwoman] (1 episode)
Yoon Jeong-seop
[movie filming staff ] (1 episode)
Jang Won-young
CEO Kim [OMEGA Entertainment CEO] (1 episode)
Sung Hyuk
[Best new actor nominee #1] (1 episode)
Kim Dong-yeon
[Best new actor nominee #2] (1 episode)
Park Kyeong-rim
[Current Affairs and People host] (1 episode)
Joo Young-hoon
Freeze [composer] (1 episode)
Seo Ji-hoon
Yoon Bin (1 episode)
Yun Yoo-sun
[Lee Ma Ha's mother] (1 episode)
Son Dong-soo
[PD] (1 episode)
전고은
[Idols on Air staff ] (1 episode)
Park Jung Min
[Park Jin Man's friend] (1 episode)
Shim Hye-Rim
Sung Ah Young (1 episode)
Park Se-ryeon
[Trainee] (1 episode)
Shim Yoo-Seung
[Music Arena director] (1 episode)
Lim Jung-min
[Actor] (1 episode)
Kim Yoon-seol
[Tea Party fan] (1 episode)
Bae Kyung Min
[Convenience store cashier] (1 episode)
Lee Ji-Young
[Cellphone store employee] (1 episode)
Yoo Yong
[YMSA staff] (1 episode)
Park Sun-young
[YMSA staff] (1 episode)
Hong Lu-hyeon
[YMSA staff] (1 episode)
Jeon Jun-woo
[Variety show staff] (1 episode)
Kim Seo-yeon
[Hyun Oh's ex-girlfriend] (1 episode)
Jo Woo-jong
[YMSA host] (1 episode)
Cho Jung-hun
[Cart bar troublemaker] (1 episode)
Kim Shin-yeol
[Agency CEO] (1 episode)
Choi Sol-hee
[MML Festival committee member] (1 episode)
Ma Jeong-pil
[MML Festival committee member] (1 episode)
Kang Hak-soo
[MML Festival producer] (1 episode)
Directing 1
Han Hyun-hee
Director (12 episodes)
Sound 14
Hwi Young
Theme Song Performance (12 episodes)
Choi San
Theme Song Performance (12 episodes)
Jung Ji-so
Theme Song Performance (12 episodes)
Park Ji-yeon
Theme Song Performance (12 episodes)
Park Seong-hwa
Theme Song Performance (12 episodes)
Min-seo
Theme Song Performance (12 episodes)
Jeong Yun-ho
Theme Song Performance (12 episodes)
Lim Na-young
Theme Song Performance (12 episodes)
Choi Jong-ho
Theme Song Performance (12 episodes)
Ahn Jung-hun
Theme Song Performance (12 episodes)
Park Yu-ri
Theme Song Performance (12 episodes)
Park Seong-il
Music (12 episodes)
Lee Soo-woong
Theme Song Performance (12 episodes)
Lee Jun Young
Theme Song Performance (12 episodes)