The Prison

An imprisoned ex-police inspector discovers that the entire penitentiary is controlled by an inmate running a crime syndicate and becomes part of the crime empire.

• 
  Han Suk-kyu

  Jung Ik-ho
• 
  Kim Rae-won

  Song Yoo-gun
• 
  Jung Woong-in

  Prison Director Kang
• 
  Jo Jae-yun

  Hong-pyo
• 
  Shin Sung-rok

  Chang-gil
• 
  Jeon Bae-soo

  Chief of Security
• 
  Lee Kyung-young

  Director Bae
• 
  Kang Shin-il

  Director Noh
• 
  Kim Sung-kyun

  Dr. Kim
• 
  Park Won-sang

  Manager Jung