Biography: From Wikipedia, the free encyclopedia Ronald Winston Yuan is an American actor, martial artist, director, and stunt choreographer. He is best known for his roles on Sons of Anarchy, Prison Break, Golden Boy, and CSI: NY. He has acted in numerous films, including an ensemble lead as Sgt. Qiang in Disney's live-action adaptation Mulan. He also supplied the voice of Sgt. Fideltin Rusk in the video game series Star Wars: The Old Republic, and Scorpion in Mortal Kombat 11. Description above from the Wikipedia article Ron Yuan, licensed under CC-BY-SA, full list of contributors on Wikipedia.