서프라이즈: 비밀의 방

• 

  Jeong Hyeong-don

  as Jeong Hyeong-don
• 

  Jang Sung-kyu

  as Jang Sung-kyu
• 

  Hwang Je-sung

  as Hwang Je-sung
• 

  Park Cho-a

  as Park Cho-a

Full cast details coming soon!