Paulyn Sun, also known as Suen Kai-kwan and Alien Sun, is a Hong Kong-based Singaporean actress and former model. A former contestant in the Miss Universe beauty pageant, she has appeared in leading and supporting roles in several films, notably Sixty Million Dollar Man (1995), Banana Club (1996), Love and Sex Among the Ruins (1996), The Island of Greed (1997), In the Mood for Love (2000) and The Accidental Spy (2001). For her performance in The Island of Greed, Sun was nominated for a Best Actress Award at the Hong Kong Film Awards in 1997. Other significant film credits include Up for the Rising Sun (1997), The Untold Story 2 (1998), Sara (2015) and The Vanished Murderer (2015).