Born in Hong Kong, Cheng moved to Canada with his family as a child.
In 1997, he returned to Hong Kong to witness the transfer of its sovereignty to China, and decided to stay.
[4] The actors Cheng and Kwok chose for the film were primarily people who had acted in 1970s and 1980s Hong Kong cinema.
[8] Cheng was in charge of the visual effects for contemporary fantasy film Rest on Your Shoulder[9] and costume drama The Great Magician.
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