CastWaise Lee (John Wong Wai-Pong), Joey Wong (Han Ching), Matthew Wong Hin-Mung (Lun Kwok-Keung), Philip Kwok Chun-Fung (Kam), Lionel Lo King-Wah (Insp. Ong Chat-Fu), Paul Chu Kong (Han Ching) Release date22 September 1988 (1988-09-22) Similar moviesRelated Johnnie To movies
Johnnie To stated that "Tsui had lots of ideas [for The Big Heat], changing the script all the time, but three days later he would come up with something totally different." To went on to describe that the violence in the film originated from Hark's suggestions, and that it was "a very difficult project" To noted that he was brought in after another director was unable to satisfy Tsui Hark. To also stated that he did not complete the film, but that Tsui Hark completed it with Ching Siu-tung shooting some scenes.
The Big Heat was released in Hong Kong on 22 September 1988. It was described by Lisa Morton as a "minor box office disappointment", grossing HK$4.076 million and being the 94th highest-grossing film in Hong Kong in 1988.
Johnnie To reflected on the film in the late 1990s, stating that "it's good at places, but it was chaotic".