Sori: Voice from the Heart

While desperately searching for his missing daughter, Hae-kwan comes across an AI satellite robot that remembers sounds from all over the world. Rejuvenated by the robot's abilities, Hae-kwan begins to track down his daughter's voice. As they continue their journey, they form an unforgettable bond.

• 
  Lee Ho-jae

• 
  Lee Sung-min
  Hae-Gwan
• 
  Shim Eun-kyung
  Sori (voice)
• 
  Lee Hanee
  Ji-yeon
• 
  Chae Soo-bin
  Yoo-joo
• 
  Lee Hee-jun
  Jin-ho
• 
  Kim Won-hae
  Goo-cheol
• 
  Ryu Jun-yeol
  Underground Singer
• 
  Jeon Kuk-hwan
  President Go
• 
  Kwak Si-yang
  Hyeon-soo
• 
  Jeon Hye-jin
  Hyun-sook
• 
  Rie Young-zin
  Yoo Sung-jin
• 
  Kang Jin-ah
  Jang Geun-yeong
• 
  Nam Yeon-woo
  NIS agent
• 
  Lee Seung-joon
  NIS agent
• 
  Yang Kyung-won
  NIS agent
• 
  Lee Hyun-gul
  Police
• 
  JJ Graham
  U.S. military officer
• 
  Yoo Chang-sook
  Grandmother
• 
  Han Ji-won
  Yoo-joo's Friend