| Year | Title | Role | Notes |
|---|
| 1976 | Farewell to Manzanar | Richard Wakatsuki | TV movie |
| Baa Baa Black Sheep | Third commando | Episode: "Up for Grabs" |
| 1977 | Ensign Kira | Episode: "Divine Wind" |
| 1977–1981 | M*A*S*H | South Korean Soldier / Park | 3 episodes |
| 1978 | The Paper Chase | Kai | Episode: "Bell's in Love" |
| 1979 | The Paper Chase | Student #1 | Episode: "The Apprentice" |
| Lou Grant | Steve Nakajima | Episode: "Hype" |
| 1980 | Enola Gay: The Men, the Mission, the Atomic Bomb | Lieutenant Tatsuo Yamato | TV movie |
| The Golden Moment: An Olympic Love Story | | TV movie |
| 1981 | The Waltons | Japanese Sergeant | Episode: "The Last Ten Days" |
| Soap | Hiro | 1 episode |
| The Misadventures of Sheriff Lobo | Steven Chiu | Episode: "The Roller Disco Karate Kaper" |
| The Two Lives of Carol Letner | Professor | TV movie |
| The Incredible Hulk | Viet Interpreter | Episode: "Viet" |
|
| The Fall Guy | Police Officer | Episode: "Japanese Connection" |
| Bosom Buddies | The Man | Episode: "All You Need Is Love" |
| 1982 | The Greatest American Hero | Kelly Kim | Episode: "The Hand-Painted Thai" |
| Tales of the Gold Monkey | Japanese Lieutenant | Episode: "Once a Tiger..." |
| 1983 | The Renegades | Sam Chow | Episode: "On the Pad" |
| Girls of the White Orchid | Officer #1 | TV movie; alternative title Death Ride to Osaka |
| 1983–1984 | Knots Landing | Reporter | 2 episodes |
| 1984 | Hart to Hart | Yamahiro | Episode: "The Dog Who Knew Too Much" |
| Scarecrow and Mrs. King | Ronnie Quan | Episode: "The Mole" |
| T.J. Hooker | Lab Technician | Episode: "Hot Property" |
| Charles in Charge | Chinese Food Delivery Man | Episode: "Pilot" |
| 1985 | Street Hawk | Joe Ching | Episode: "Chinatown Memories" |
| Covenant | Cabbie | TV movie |
| MacGyver | Ming | Episode 1.2: "The Golden Triangle" |
| Alfred Hitchcock Presents | Anesthesiologist #1 | Episode: "Night Fever" |
| Crazy Like a Fox | Chinese Henchman | Episode: "Year of the Fox" |
| Miami Vice | Howie Wong | Episode: "Golden Triangle: Part 2" |
| 1986 | Blood & Orchids | Halehone | TV movie |
| The Young and the Restless | Roy Namaguchi | 2 episodes |
| The A-Team | Kwai Li | Episode: "The Say U.N.C.L.E. Affair" |
| 1987 | Hill Street Blues | Bob Ashahina | Episode: "Days of Swine and Roses" |
| Airwolf | Tim Shimizu | Episode: "X-Virus" |
| 1988 | Miami Vice | Ma Sek | Episode: "Heart of Night" |
| C.A.T. Squad: Python Wolf | | TV movie |
| War and Remembrance | Operations Officer (Yamato) | TV Miniseries; Episode: "Part 3" |
| 1989 | Gideon Oliver | Johnny Chen | Episode: "Tongs" |
| 1990 | Counterstrike | General Loctuck | Episode: "Power Play" |
| Top Cops | Johnny Kai | Episode: "Paul LeBoeuf/Johnny Kai" |
| True Blue | | Episode: "Chinatown" |
| 1992 | To Be the Best | Tony Chiu | TV movie |
| 1994 | Law & Order | Mr. Tanaka | Episode: "Scoundrels" |
| 1994–1995 | New York Undercover | Detective Chang | 2 episodes |
| 1995 | Star Trek: Voyager | Nogami | Episode: "The 37s" |
| 1996 | Gargoyles | Taro (voice) | Episode: "Bushido" |
| The Tomorrow Man | Dr. Lorechi | TV movie |
| 1999 | Sex and the City | Korean Man | Episode: "Ex and the City" |
| 2000 | Strangers with Candy | Drug Tester | Episode: "Blank Relay" |
| Law & Order | Yoshi Yoshimura | Episode: "Dissonance" |
| 2001 | 100 Centre Street | | 2 episodes |
| The Atlantis Conspiracy | Police Officer | TV movie |
| 2002 | Third Watch | Sgt. Yee | Episode: "The Long Guns" |
| 2004 | Law & Order: Criminal Intent | Mr. Miyazaki | Episode: "Great Barrier" |
| 2005 | Starved | Captain Wong | Episode: "Thank You, I Love You" |
| 2006 | As the World Turns | Kano Yamamoto | 2 episodes |
| 2008 | Heroes and Villains | Ieyasu Tokugawa | Episode: "Shogun" |
| 2008–2009 | Eli Stone | Dr. Frank Chen | Main cast |
| 2009 | The Unit | Chu | Episode: "Chaos Theory" |
| 2010 | Rubicon | Mooney | Episode: "The Truth Will Out" |
| Blue Bloods | Dennis Eng | Episode: "Chinatown" |
| 2011 | Too Big to Fail | Chinese Official | TV movie |
| One Life to Live | Judge Lee | 9 episodes |
| 2012 | 30 Rock | Chef | Episode: "Leap Day" |
| Person of Interest | Glen | Episode: "Bury the Lede" |
| 2013 | Hawaii Five-0 | David Toriyama | Episode: "Ho'onani Makuakane" |
| 2014 | Madam Secretary | Japanese Foreign Minister Shimbakura | Episode: "Just Another Normal Day" |
| 2016 | House of Cards | Dr. Krebs | Episode: "Chapter 50" |
| 2017 | The Deuce | Kim | 2 episodes |
| 2018 | Paterno | Doctor | TV movie |
| Instinct | Haru Onishi | Episode: "Heartless" |
| Marvel's Iron Fist | Yu-Ti | Episode: "The City's Not for Burning" |
| Elementary | Dr. Ken Fukata | Episode: "Uncanny Valley of the Dolls" |
| 2019 | Broad City | Trang | Episode: "Bitcoin & the Missing Girl" |
| Modern Love | Kenji Inouye | Episode: "The Race Grows Sweeter" |
| Prodigal Son | Dr. Higa | Episode: "The Surgeon" |
| 2020 | Altered Carbon | Tanaseda Hideki | Main role season 2 [3] |
| Grey's Anatomy | Hershel Roberts | Episode: "Sing It Again" |
| Dash & Lily | Arthur Mori | Recurring role [4] |
| 2023 | The Company You Keep | Joseph | Main role |
