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Kwon Ryok
12 episodes
La Ri-ma
Lee Ma-ha
Lee Yu-jin
Shim Hyun-ji
Yu Ri-ah
Lee Hyun
Lee Eun-jo
Yoon Hyuk
Kim Hyun-oh
Son Min-soo
Nam Se-young
Han Jae-woo
Bang Do-jin
Ji Hak
Tae-ri
So-yoon
Hyun Woo-jin
'Annie' Jang Yoo-ri
Nam Joo-tae
Actress
Queen Trainee
Girl Group Trainee
Shax Fan Club Member
Byun Jung-hee
Joo Min Sung [Café H part-timer]
Ha Seok / Ammonites [Composer]
[Music Holic Entertainment CEO]
2 episodes
Herself
[Li Ma's assistant]
Kim Ji Min
[Sitcom director]
[Actress]
[Idols on Air director]
1 episode
[Assistant director]
[Actor]
[MML Festival committee chairwoman]
[movie filming staff ]
CEO Kim [OMEGA Entertainment CEO]
[Best new actor nominee #1]
[Best new actor nominee #2]
[Current Affairs and People host]
Freeze [composer]
Yoon Bin
[Lee Ma Ha's mother]
[PD]
[Idols on Air staff ]
[Park Jin Man's friend]
Sung Ah-young (Eps 4)
[Trainee]
[Music Arena director]
[Tea Party fan]
[Convenience store cashier]
[Cellphone store employee]
[YMSA staff]
[Variety show staff]
[Hyun Oh's ex-girlfriend]
[YMSA host]
[Cart bar troublemaker]
[Agency CEO]
[MML Festival committee member]
[MML Festival producer]
