Dion Lam is a Hong Kong-based action choreographer, actor, and director renowned for his extensive contributions to martial arts cinema and international action filmmaking. Beginning his career in the early 1980s as an actor, he appeared in more than 80 Hong Kong films before establishing himself as one of the industry’s leading action directors and stunt coordinators. Over a career spanning four decades, Lam has served as martial arts director, action choreographer, and stunt coordinator on numerous acclaimed productions, including The Killer, The Storm Riders, Infernal Affairs, and Red Cliff. Celebrated for his expertise in fight choreography, wirework, and practical effects, he has also contributed to major Hollywood productions such as The Matrix Reloaded, Doom, and Looper.