The Silenced

A sickly girl Ju-ran transfers to a new sanitorium boarding school to regain health. But she discovers that students are disappearing and notices abnormal changes happening to her body. She suspects the school for what's happening and tries to discover what secret is hidden.

• 
  Park Bo-young

  Joo-ran
• 
  Uhm Ji-won

  Kato Sanae
• 
  Park So-dam

  Yeon-deok
• 
  Kong Ye-ji

  Yuka
• 
  Sim Hee-seop

  Kenji
• 
  Go Won-hee

  Shizuko
• 
  Keum Sae-rok

  Naoko Oyama
• 
  Joo Bo-bi

  Kihira
• 
  Park Seong-yeon

  Counselor
• 
  Park Joo-hee

  Joo-ran's Mother