Jack Jung-Kai Yang (simplified Chinese: ??? traditional Chinese: ??? pinyin: Yáng Róngkai) (born 1974) is an American/Canadian actor of Taiwanese ethnicity. He was born in Toronto, Canada and currently resides in Los Angeles, California.

The Yellow Truth as Jack (2003), Shadow Chaser (2003), Law & Order: Special Victims Unit as Ricky Yao (2004), Skin Trade (short film) as The Designer (2004), The Seat Filler as Page (2004), CSI: Miami as Shawn Kimsey (2005), All of Us as Harry (2005), Grey's Anatomy as Walter (2005-2007), Nip/Tuck as Chiyo (2006), The Evidence as Ha Huang (2006), Scrubs as Patient (2006), ER as Bevan Wong (2007), Seven Pounds as Apogee Engineer (2008), Need for Speed: Undercover as Chau Wu (2008), Command & Conquer: Red Alert 3 (video game) as Commander Kenji Tenzai (2008), Samurai Girl as Hiko (2008), The Mummy: Tomb of the Dragon Emperor as "voice" General Yang (2008), Cashmere Mafia as Jason Chung (2008), Knight Rider as Cross (2008), Chuck as Jason Wang (2009), Command & Conquer: Red Alert 3 – Uprising (video game) as Commander Kenji Tenzai (2009), Point Of Entry Season 4 as Glenn Chua (2013), A Leading Man as GQ (2013), American Ultra as Gangster (2015), Star as Elliot (2017).

https://m.imdb.com/name/nm1555268/filmotype?ref_=m_nm_flmg

https://en.m.wikipedia.org/wiki/Jack_J._Yang