François Chau is a Cambodian and American actor. He is known for his roles as Dr. Pierre Chang in ABC's Lost, He has appeared as Koo Yin, a Chinese consul in the drama 24 and a Chinese diplomat in Stargate SG-1. He was the voice of Quick Kick on G.I. Joe: A Real American Hero and Dr. Shen in XCOM: Enemy Unknown, and he portrayed Lieutenant Winston 'Vagabond' Chang in the Wing Commander III and Wing Commander IV video games. He was the voice of Sensei Ishikawa in the Ghost of Tsushima video game.

Chau has appeared as a guest star in The Adventures of Brisco County, Jr., The Unit, NUMB3RS, ER, Baywatch, Alias, Shark, Criminal Minds, Grey's Anatomy, JAG, Medium, The X-Files, Last Man Standing, and NCIS.

He was also featured in Chris Brown's music video Fine China, the 2013 film 21 & Over, the television film 9/11: The Twin Towers, and Teenage Mutant Ninja Turtles II: The Secret of the Ooze, where he physically played Shredder.

His latest projects have included a Syfy production, The Expanse, starring as recurring character Jules-Pierre Mao, father of main character Julie Mao, and a recurring role as Arthur's step-father Walter on The Tick. He has also appeared in the Disney Channel spy-action comedy, K.C. Undercover, where he plays Zane, an evil villain who kidnaps K.C. and threatens to kill her family, due to a checkered history with them.

Chau portrayed mob-boss Mr. Keo in Cathy Yan's live action DC adaptation of Birds of Prey, starring Margot Robbie.

Currently François can be seen in The MAX drama The Penguin.

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