Imitation

Director

• 
  Han Hyeon Hui

Screenwriter

• 
  Kim Min Jeong
• 
  Choi Sun Young

Main Role

• 
  Lee Jun Young

  Kwon Ryok

  Main Role
• 
  Jung Ji So

  Lee Ma Ha

  Main Role
• 
  Park Ji Yeon

  La Li Ma

  Main Role
• 
  Yun Ho

  Lee Yoo Jin

  Main Role

Support Role

• 
  Danny Ahn

  Ji Hak [JH Entertainment CEO]

  Support Role
• 
  Chani

  Lee Eun Jo [Former Shax member]

  Support Role
• 
  Im Na Young

  Shim Hyun Ji [Teaparty member]

  Support Role
• 
  Kim Min Seo

  Yu Ri Ah [Teaparty member]

  Support Role
• 
  Hwi Young

  Kang Lee Hyun [Shax member]

  Support Role
• 
  Ahn Jung Hun

  Han Jae Woo [Shax member]

  Support Role
• 
  Jong Ho

  Yoon Hyuk [Shax member]

  Support Role
• 
  Park Yu Ri

  Bang Do Jin [Shax member]

  Support Role
• 
  Lee Soo Woong

  Hyun Oh [Sparkling member]

  Support Role
• 
  Seong Hwa

  Nam Se Young [Sparkling member]

  Support Role
• 
  San

  Min Soo [Sparkling member]

  Support Role
• 
  Yeon Si Woo

  Annie [Omega Entertainment]

  Support Role
• 
  Oh Hee Joon

  Koo Dae Kwon [Shax's manager]

  Support Role
• 
  Shim Eun Jin

  Byun Jung Hee [Fact Check reporter]

  Support Role
• 
  Gong Jung Hwan

  Park Jin Man [NOG Entertainment CEO]

  Support Role
• 
  Lee Tae Hyung

  General Manager Kim [NOG Entertainment]

  Support Role
• 
  Shin Soo Ho

  Tae Geun [Sparkling's manager]

  Support Role
• 
  Nam Jung Woo

  Go Ba Wi [Teaparty's manager]

  Support Role
• 
  Kim Ji Sook

  Eun Jin [Stylist]

  Support Role
• 
  Jo Jung Chi

  Ha Seok / Ammonites [Composer]

  Support Role
• 
  Kim So Hee

  Joo Min Sung [Cafe H part-timer]

  Support Role
• 
  Lee Hwi Seo

  Tae Ri [Shax fan club member]

  Support Role
• 
  Choi So Yoon

  So Yoon [Shax fan club member]

  Support Role
• 
  Lee Han Bum

  Hwang Yong Tae [Queen Entertainment CEO]

  Support Role

Guest Role

• 
  Cha Seung Min

  [Actor] (Ep. 1)

  Guest Role
• 
  Song In Seop

  [Assistant director] (Ep. 1)

  Guest Role
• 
  Yoon Jung Sub

  [Movie filming staff] (Ep. 1)

  Guest Role
• 
  Sung Hyuk

  [Best new actor nominee] (Ep. 1)

  Guest Role
• 
  Kim Dong Yeon

  [Best new actor nominee] (Ep. 1)

  Guest Role
• 
  Jo Mo Se

  [Music Holic Entertainment staff] (Ep. 1)

  Guest Role
• 
  Jang Won Young

  CEO Kim [Omega Entertainment] (Ep. 1, 6)

  Guest Role
• 
  Kim Jae Il

  [Music Holic Entertainment CEO] (Ep. 1, 11)

  Guest Role
• 
  Son Dong Soo

  [PD] (Ep. 2)

  Guest Role
• 
  Jeon Go Eun

  [Idols on Air staff] (Ep. 2)

  Guest Role
• 
  Lee Se Wook

  [Idols on Air director] (Ep. 2)

  Guest Role
• 
  Park Kyung Rim

  [Current Affairs and People host] (Ep. 2)

  Guest Role
• 
  Son Yu Ji

  [Herself] (Ep. 2-3)

  Guest Role
• 
  Park Yu Rim

  [Herself] (Ep. 2-3)

  Guest Role
• 
  Yoon Ha Eun

  [Herself] (Ep. 2-3)

  Guest Role
• 
  Jun Ji Su

  [Li Ma's assistant] (Ep. 2, 4)

  Guest Role
• 
  Joo Young Hoon

  Freeze [Composer] (Ep. 3)

  Guest Role
• 
  Park Jeong Min

  [CEO Park Jin Man's friend] (Ep. 3)

  Guest Role
• 
  Shim Hye Rim

  Sung Ah Young (Ep. 4)

  Guest Role
• 
  Park Se Ryeon

  [Trainee] (Ep. 4)

  Guest Role
• 
  Shim Yoo Seung

  [Music Arena director] (Ep. 4)

  Guest Role
• 
  Lim Jung Min

  [Actor] (Ep. 5)

  Guest Role
• 
  Kim Yoon Seol

  [Tea Party fan] (Ep. 5)

  Guest Role
• 
  Bae Kyung Min

  [Convenience store cashier] (Ep. 5)

  Guest Role
• 
  Lee Ji Young

  [Cellphone store employee] (Ep. 6)

  Guest Role
• 
  Yeom Hae In

  Kim Ji Min (Ep. 7-8)

  Guest Role
• 
  Yoon Sung Won

  [Sitcom director] (Ep. 7-8)

  Guest Role
• 
  Seo Ji Hoon

  Yoon Bin (Ep. 8)

  Guest Role
• 
  Yoo Yong

  [YMSA staff] (Ep. 9)

  Guest Role
• 
  Park Sun Young

  [YMSA staff] (Ep. 9)

  Guest Role
• 
  Hong Ru Hyeon

  [YMSA staff] (Ep. 9)

  Guest Role
• 
  Jun Joon Woo

  [Variety show staff] (Ep. 9)

  Guest Role
• 
  Kim Seo Yeon

  [Hyun Oh's ex-girlfriend] (Ep. 9)

  Guest Role
• 
  Jo Woo Jong

  [YMSA host] (Ep. 10)

  Guest Role
• 
  Yoon Yoo Sun

  [Ma Ha's mother] (Ep. 10)

  Guest Role
• 
  Chu Jung Hun

  [Cart bar troublemaker] (Ep. 10)

  Guest Role
• 
  Kim Shin Yul

  [Agency CEO] (Ep. 11)

  Guest Role
• 
  Choi Sol Hui

  [MML Festival committee member] (Ep. 11)

  Guest Role
• 
  Ma Jung Pil

  [MML Festival committee member] (Ep. 11)

  Guest Role
• 
  Park Jung Eon

  [MML Festival committee chairwoman] (Ep. 11)

  Guest Role
• 
  Kang Hak Soo

  [MML Festival producer] (Ep. 12)

  Guest Role
• 
  Choi Ki Seob

  Nam Joo Tae [Fact Check reporter]

  Guest Role
• 
  Kim In Sun

  [Actress]

  Guest Role
• 
  Go Tae Hui

  [Queen trainee]

  Guest Role
• 
  Lee Chae Hyun

  [Girl Group trainee]

  Guest Role
• 
  Jung Yoo Na

  [Shax fan club member]

  Guest Role
• 
  Shin In Ah

  [Actress] (Ep.4-5)

  Guest Role

Unknown

• 
  Baek So Hyun Unknown
• 
  Song Ji Oh Unknown
• 
  Jung Yu Jun

  (Ep. 4)

  Unknown
• 
  Choi Su Min

  (Ep. 4)

  Unknown