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|Born||Chicago, Illinois, U.S.|
Keong is a comedy mentor of Laughter for a Change and has acted in numerous television, film and stage productions. In addition to his skills as an improvisational theater actor and teacher, Keong has worked at The Public Theater in New York City, and the Steppenwolf Theater in his hometown, as well as around the globe, in places such as Canada, Cuba, England and the Czech Republic. Keong has worked extensively using improv techniques for corporate training seminars.
|2003||Law & Order: Criminal Intent||William Suan||"A Person of Interest" television drama series episode|
|2004||Law & Order||Delivery man||"Evil Breeds" TV drama series episode|
|2005||Rescue Me||Photographer||"Twat" TV comedy-drama series episode|
|2009||The Flying Scissors||Bruce Wong||Mockumentary|
|2010||The Forgotten||Robert Chung||"Patient John" TV crime-drama series episode|
|2010||Southland||Jason||"U-Boat" TV crime-drama series episode|
|2010||The Last Airbender||Tyro (Earthbending father)|
|2011||The Protector||Dr. Jia Tao||"Help" TV drama series episode|
|2011||My Freakin' Family||Pastor Kim||TV comedy series|
|2011-2012||Glee||Michael Chang, Sr.||Guest star: "Asian F", "The First Time", "Hold On to Sixteen", "Goodbye"|
|2012||Watching TV with the Red Chinese||Wa||Comedy-drama|
|2013||Inventing Adam||Jonathan 'Johnny' Wang||Comedy|
|2013||Monday Mornings||Sung Park||TV Medical drama - Main cast member|
|2013||Olympus Has Fallen||Prime Minister Lee Tae-Woo||Film - Action Drama|
|2003||Radiant Baby||Tseng Kwong Chi|
|2007||After the Quake||Superfrog/ Narrator|
|A Midsummer Night's Dream||Lysander||
|Benten Kozo||Tonomo/ Fujitsuna|
- Brantley, Ben (3 March 2003). "THEATER REVIEW; An Artist's Energy, Subdued Only by Death". The New York Times. Retrieved 21 November 2013.
- "Plays & Events - Steppenwolf Theatre Company". Steppenwolf.org. 2013-10-16. Retrieved 2013-10-24.