Bekas artis rakaman

• M Signal
• F.T. Island
  • Oh Won-bin (2007–2009)
  • Choi Jong-hoon (2007–2019)
• Juniel (2011–2016)
• N.Flying
  • Kwon Kwan-jin (2013–2018)
• AOA
  • Kwon Mina (2012–2019)
  • Park Cho-a (2012-2019)
  • AOA Black
    • Youkyung (2012–2016)
• Honeyst (2017-2019)
• Cherry Bullet
  • Mirae (2019)
  • Kokoro (2019)
  • Linlin (2019)

Bekas pelakon

• Jung Hye-sung (2015-2018)
• Kim Min-seo (2014–2017)
• Lee Da-hae (2014–2016)
• Lee Elijah (2016–2017)
• Park Doo-sik (2016-2019)

Bekas penghibur

• Ji Suk-jin (2015–2016)

Bekas pelatih terkenal

• Lee Joon (pelakon)
• EunB (bekas ahli Ladies Code)
• J-Hyo (LC9)
• Jung Woo (SPEED)
• Lee Dasom (TAHITI)
• Inseong (KNK)
• Heejun (KNK)
• Mimi (Jung Mimi) (Gugudan)