Beijing says the law will restore stability after violent pro-democracy protests last year and will only target “an extreme minority”.
Critics fear it will bring mainland-style oppression and deliver a fatal blow to free speech given anti-subversion laws are routinely used by Beijing to crush dissent over the border.
Chan said he remained unsure whether a film like his — which features many of the city’s most famous dissidents — will even be screenable in Hong Kong once the national security law passes.
“If the law is soon passed, whether the film administration will give a green light and whether the distributors will take the risk, those are tricky questions,” he said, referring to the city’s film classification board.
The security law could be passed as early as next week with Beijing’s top lawmaking body meeting from this Sunday.
Wong, the artist who had his segment removed, said he understood the need to edit out his performance, but said his work meant no insult to China’s national anthem.
“It’s dedicated to the real patriots of China who chose to speak up and bear the consequences of suppression even when they fully understand the risks,” he told AFP, referring to jailed human rights lawyers and activists in China.