| Year | Title | Role | Notes |
| 2001 | ER | Stanley Mao | Episodes: "Start All Over Again" and "Supplies and Demands" |
| 2001–02 | Gilmore Girls | Henry Cho | Recurring role, 5 episodes |
| 2002 | That '80s Show | Roger Park | Main role |
| 2002 | Girls Club | Mitchell Walton | Episodes: "Pilot", "Book Of Virtues" and "Secrets and Lies" |
| 2003 | NYPD Blue | Jin-Yong Kim | Episode: "22 Skidoo" |
| 2004 | Malcolm in the Middle | Jordan | Episode: "Malcolm Dates a Family" |
| 2004 | Listen Up! | Michael | Episode: "Quest for Fire" |
| 2005 | Point Pleasant | Boyd's Assistant | Episode: "Human Nature" |
| 2005–06 | Love, Inc. | Gene | Episodes: "Pilot" and "Hello, Larry" |
| 2006 | Help Me Help You | Paul | Episode: "Raging Bill" |
| 2006 | Misconceptions | Trey | 3 episodes |
| 2007 | Pushing Daisies | Wilfred Woodruff | Episode: "The Fun in Funeral" |
| 2007 | Cavemen | Craig Nadler | Episode: "The Shaver" |
| 2008 | ' | Xander Akagi | Episode: "Strange Things Happen at the One Two Point" |
| 2010 | Castle | Johnny Vong | Episode: "Sucker Punch" |
| 2010 | NCIS | Agent Kyle Omagi | Episode: "Jurisdiction" |
| 2010 | Ghost Whisperer | Damon Weaver | Episode: "On Thin Ice" |
| 2010–11 | Men of a Certain Age | Carl | Recurring role, 9 episodes |
| 2011 | Royal Pains | Tony Lee | Episode: "Pit Stop" |
| 2011 | CHAOS | Lee Quan Song | Episode: "Song of the North" |
| 2011 | How to Make It in America | Park G | Episode: "It's Not Even Like That" |
| 2011 | Prime Suspect | Richard Zhou | Episode: "The Great Wall of Silence" |
| 2012 | Two and a Half Men | Dr. Kim | Episode: "Why We Gave up Women" |
| 2013 | Anger Management | Director | Episode: "Charlie Gets Lindsay Lohan in Trouble" |
| 2013 | 2 Broke Girls | Tom | Episode: "And the Extra Work" |
| 2014 | Mystery Girls | Henry | Episode: "Haunted House Party" |
| 2014 | Enlisted | Ted | Episode: "Alive Day" |
| 2014 | Manhattan | Sid Liao | 4 episodes |
| 2014 | ' | Matthew Ogilvie | 3 episodes |
| 2015 | Agent Carter | Agent Mike Li | Episode: "The Iron Ceiling" |
| 2015 | Bones | Jim Chou | Episode: "The Cowboy in the Contest" |
| 2016 | Lucifer | Benny Choi | Episode: "Sweet Kicks" |
| 2016 | The Detour | Conquistador Brian | Episode: "The Restaurant" |
| 2016 | Westworld | Henry | 4 episodes |
| 2016 | The Man in the High Castle | Noriyuke Tagomi | Episodes: "The Stray", "Trace Decay" and "The Well-Tempered Clavier" |
| 2017 | Training Day | Takashi Koh | Episode: "Code of Honor" |
| 2017, 2019 | American Housewife | Richard | Episodes: "The Man Date", "Liar Liar, Room on Fire" and "Girls' Night Out" |
| 2017 | | Geonwoo Lee | Episode: "Pretty Like Me" |
| 2018 | The Middle | Mike the Trivia Host | Episode: "The Royal Flush" |
| 2018 | The Big Bang Theory | Dr. Park | Episode: "The Planetarium Collision" |
| 2018–2020 | Alexa & Katie | Dave Mendoza | Main role |
| 2019 | S.W.A.T. | Officer Wong | Episode: "Fallen" |
| 2019 | Grace and Frankie | Toby | Episode: "The Aide" |
| 2020 | AJ and the Queen | Doctor | Episode: "Baton Rouge" |
