Gordon Lam Ka-tung is a Hong Kong actor, film producer and screenwriter. Initially known for his supporting roles in films directed by Andrew Lau and Johnnie To, Lam eventually became a lead actor in the Hong Kong film industry, appearing in the 2013 box office hit, Firestorm, and the Hong Kong Film Award-winning 2016 film, Trivisa, which also netted him the Hong Kong Film Award for Best Actor.

Firestorm is a 2013 Hong Kong action film written and directed by Alan Yuen, produced by and starring Andy Lau. Lau plays a hard-boiled police inspector who takes the law to his own hands in order to take down a group of violent criminals who have taken multiple innocent lives while repeatingly evading justice. The film was converted to 3D during post-production, making it the first 3D Hong Kong police action film.