[6] Park was introduced to martial arts by his father, who was a fan of Bruce Lee, and began training martial arts at the age of 7, starting with one year of Hapkido, then traditional Shaolin Kung Fu such as Nam Pai Chuan at UK Chin Woo Northern Shaolin, as well as modern wushu.

[8] In 1999, Park appeared in Star Wars: Episode I – The Phantom Menace, as the Sith Lord Darth Maul.

[10] From his work on Star Wars, Park was cast in a cameo role in Fanboys as a Skywalker Ranch security guard who says, "Time for you to get mauled, boy," as he pulls out two nightsticks.

Park appeared in the scene where Walken's character, the Headless Horseman, murders the Killian family and Brom Van Brunt, among others.

[14][15] He worked with comic book creator-turned-filmmaker Kevin VanHook in the film Slayer, starring in the dual roles of acrobatic twin vampires.

[18] Park was also included in the motion capture team of the 2008 James Bond video game adaptation of Quantum of Solace.

[19] In the comic book-styled film Hellbinders, he plays a soulless mercenary who, along with an elite assassin (Johnny Yong Bosch) and the last remaining member of the long dead Knights Templar, Esteban Cueto, must overcome their innate mistrust of each other and join forces to defeat Legion before it opens the gates of hell itself and overruns the entire world.