Uses the name Yuen in honor of his teacher, Jim-Yuen Yu. Several other
graduates of the China Drama Academy like Biao Yuen and Wah Yuen also use
the honorific, while fellow alumni Jackie Chan and Sammo Kam-Bo Hung no longer use
their mentor's name.
He usually speaks Cantonese during a recorded behind-the-scenes
commentary of one of his movies, such as Romeo Must Die (2000) and Kiss of the Dragon (2001), mainly
because he does not speak English very well.
Attended Chinese Opera Academy
Director Corey Yuen had wanted Korean martial arts director/action actor Won Jin to star in Fong Sai-yuk 2 alongside Jet Li, but due to other commitments he was unable to participate.