Huynh continues to study with acting coach Marjorie Ballentine and Terry Knickerbocker.

[1] Huynh has appeared on TV shows such as ER (as Leo), Cold Case (as Billy Takahashi, as the son of Ray Takahashi, played by Ian Anthony Dale) and Without A Trace (as Frankie Jones, opposite Jessika Van who plays Stacey Tan), Kevin (Probably) Saves the World and NCIS: Los Angeles.

Huynh won a Special Jury Prize Award at the 2007 Los Angeles Asian Pacific Film Festival for Outstanding Newcomer and Best Emerging Actor for his performance in Juwan Chung's Baby, which also won a Special Jury Award for Best Feature Length Film at that year's Festival.

Huynh has starred in several of Byron Q's films, including Bang Bang (2011)[1], which won a Special Jury Award for Best First Feature, Narrative, at the 2011 Los Angeles Asian Pacific Film Festival.,[2] and Las Vegas Story.

He also appears as the protagonist "Fong" in a pilot entitled "Chinatown Squad" about 1890s San Francisco Chinatown, directed and produced by Stephane Gauger and written by and starring Baby co-star Feodor Chin, who plays the antagonist, "Pistol Pete.