Exact

• Internal Affairs (1990)
  43 subtitles
• Internal Affairs (2002)
  2 subtitles
• Infernal Affairs (Mou gaan dou) (2002)
  144 subtitles
• Infernal Affairs II (無間道2 / Mou gaan dou II / Wu jian dao 2) (2003)
  66 subtitles
• Infernal Affairs III (Mou gaan dou III: Jung gik mou gaan / Wu jian dao 3 / 無間道3) (2003)
  69 subtitles
• Infernal Storm (无间风暴) (2021)
  4 subtitles
• INFERNAL - Self Control (2010)
  5 subtitles
• Infernal - Love Is All (2010)
  2 subtitles
• Infernal (2015)
  5 subtitles
• The Infernal Rapist (El violador infernal) (1988)
  2 subtitles