Sean Lau Ching-wan is a Hong Kong actor who has acted in both films and television series. He is best known for starring in the films C'est la vie, mon chéri (1993), My Name Is Fame (2006), Mad Detective (2007), Overheard film series (2009–2014), and Life Without Principle (2011). Most recently, Lau is known for his role in Detective vs Sleuths (2022), for which he won the Hong Kong Film Award for Best Actor. In 2025, he won a Hong Kong Film Award, a Hong Kong Film Critics Society Award and an Asian Film Award with his performance in Papa (2024).