The Infernal Walker (Chinese: 無間行者之生死潛行), previously known as The Spy Walker and The Redeemer (Chinese: 戒命人), is a 2020 Hong Kong action film produced by Billy Chung and directed by Ally Wong. The film stars Michael Tse as an undercover cop who infiltrates the triads and Pakho Chau as a triad mole planted into the police force. The Infernal Walker is the first film of a planned trilogy. Originally set for release on 30 September 2020, the film's release was postponed to 19 November 2020.