One of the actors in Ah-Chung was a crew chief for City of Sadness. Afterwards he worked operating excavators at construction sites and earned as much as NT $ 20,000 a day. He took more than 10 days off to film Ah-Chung but for that Chang could only pay him NT $ 20,000.
《忠仔》戲裡的其中一個演員，是《悲情城市》的領班，後來去開怪手，一天有兩萬元的收入，他請了十幾天的假來拍《忠仔》，張作驥只能付他兩萬元。