Wilson Sze is an actor known for work in both live-action and voiceover, particularly in projects produced in Australia and New Zealand. In the anime and genre series space, he is recognized for his role as the District Attorney in the 2021 Netflix live-action adaptation of Cowboy Bebop, appearing in the ninth episode of the first season. He also has a voice role as a pilot in the animated film Avatar Fire and Ash.

Beyond these specific credits, Sze has appeared in a variety of international productions. His live-action work includes roles in the science fiction sequel Avatar The Way of Water, the mystery series One Of Us Is Lying, the comedy horror series Wellington Paranormal, and the film Ghost In The Shell. He has also worked as a stunt performer. Professionally, Sze holds a background in martial arts, having trained in Kali and Jeet Kune Do, and is a Master Instructor in Krav Maga. He is fluent in English and Cantonese and holds degrees in music and the performing arts.