Cold War is a 2012 Hong Kong police procedural action thriller film directed by Longman Leung and Sunny Luk, starring Aaron Kwok and Tony Leung Ka-fai, and guest starring Andy Lau. Its title, Cold War (寒戰), is derived from the code name used in the police operation where the plot of the film evolves. The film was selected as the opening film at the 17th Busan International Film Festival and released in Hong Kong, Macau, and China on 8 November 2012. Cold War won nine awards including Best Actor, Best Film, Best Director, and Best Screenplay at the 32nd Hong Kong Film Awards. The film has a sequel, known as Cold War 2 (2016), and will be followed up by two prequels, Cold War 1994 (2026) and Cold War 1995.
