Line Walker 2: Invisible Spy is a 2019 action thriller film. It is adapted from the 2014 TVB series of the same name and serves as a sequel to the 2016 film Line Walker. Directed by Jazz Boon, the film stars Nick Cheung, Louis Koo and Francis Ng. All major characters in the film are different from the original drama series and the first film. It was released in Hong Kong and Mainland China on 7 August 2019 and the US on 16 August 2019.