John Woo recalled financial constraints when he was filming "Upright repenter". The actor Tommy Tam was fired by Shaw Brothers, and the other actor Chow Yun Fat was carrying the title of "Box Office Poison"; Leslie Cheung's joining made it possible to become popular. The big stars are the investors who are willing to pay, and Leslie Cheung has also asked John Woo privately more than once whether he needs to borrow money
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When John Woo was filming "Upright repenter", there was only a synopsis. The movie was filmed by John Woo based on his feelings and emotions. During the filming process of "Upright repenter", John Woo worked closely with Chow Yun Fat and producer Tsui Hark; Chow Yun Fat's scenes continued to strengthen as the filming progressed, and Tsui Hark was in charge of editing the final version
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