Who was also a producer, in addition to being a director, Alexander Mackendrick or Peter Chan?
Peter Chan Peter Ho-sun Chan (born 28 November 1962) is a film director and producer.
John Chong John Chong Ching is a Hong Kong film producer and presenter. He is one of the most successful producers of Hong Kong cinema beginning with the Golden Age of Bruce Lee and Jackie Chan in the 1970s and 1980s. He is now a veteran film producer of Media Asia Group, the company behind the "Infernal Affairs" trilogy.