Source: Emperor Motion Pictures Anselm Chan Filming is underway in Hong Kong on period drama 1971, which reunites director Anselm Chan with stars Dayo Wong, Michael Hui and Michelle Wai from 2024’s The Last Dance – Hong Kong’s biggest ever local box office hit. Set against a historic turning point, the film revolves around the introduction of marriage reform that transitioned British colonial Hong Kong into a monogamous society.