Cold War is a 2012 Hong Kong police thriller film directed by Sunny Luk and Longman Leung, starring Aaron Kwok and Tony Leung Ka-fai, and guest starring Andy Lau. The film was selected as the opening film at the 17th Busan International Film Festival and released in Hong Kong, Macau, and mainland China on 8 November 2012.
The film's 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 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.
