Who Are You: School 2015

After losing her memory in an accident, a bullied high school orphan finds herself in the place of an identical-looking girl who's gone missing.

• 
  Kim So-hyun

  Lee Eun-bi / Go Eun-byul
• 
  Nam Joo-hyuk

  Han Yi-ahn
• 
  Yook Sung-jae

  Gong Tae-kwang
• 
  Lee Cho-hee

  Lee Shi-jin
• 
  Jeon No-min

  Gong Jae-ho
• 
  David Lee

  Park Min-joon
• 
  Kim Hee-jung

  Cha Song-joo
• 
  Lee Pil-mo

  Kim Joon-seok
• 
  Shin Jung-keun

  Dean of Students
• 
  Yang Hee-kyung

  Park Min-kyung