Wong is known for such roles as Howard Weinstein in the film Father of the Bride, Dr. George Huang on Law & Order: Special Victims Unit, Father Ray Mukada on Oz, Dr. John Lee on Awake, Dr. Henry Wu in the Jurassic Park franchise, Hugo Strange in Gotham, and Ngapoi Ngawang Jigme in the film Seven Years in Tibet.

[7] In addition to his stint on Law & Order: Special Victims Unit as FBI psychiatrist Dr. George Huang, he has had recurring roles in All-American Girl and played Father Ray Mukada on all six seasons of Oz, with guest appearances on The X-Files and Sesame Street.

He also provided the voice of Captain Li Shang in Disney's Mulan (1998), its direct-to-video sequel, and the video game Kingdom Hearts II.

Wong narrated a public television documentary, "Maxine Hong Kingston: Talking Story" (1990) about the life and work of the ground-breaking Chinese American novelist.

In 2014, Wong starred in the U.S. premiere of James Fenton's acclaimed adaptation of The Orphan of Zhao, a classic Chinese legend that has its roots in the fourth century BC, directed by Carey Perloff at American Conservatory Theater (A.C.T.).

In the aftermath of a political coup, a country doctor is forced to sacrifice his son to save the last heir of a noble and massacred clan.

Wong guest-starred on NCIS: New Orleans Episode 1.13 titled "The Walking Dead" (which aired February 3, 2015), where he portrayed Navy Lieutenant Commander Dr. Gabriel Lin.

Wong also played the enigmatic Whiterose, head of the hacker collective Dark Army, who lives a double life as Zhang, the Chinese Minister of State Security, on USA Network's Mr.

[12] Wong donates his time and resources to a number of LGBT and arts-related charities, such as the Ali Forney Center, Broadway Cares/Equity Fights AIDS, Materials for the Arts,[13] and Rosie's Theater Kids, of which he is also a board member.

In 2003, Wong wrote a memoir about his experiences with surrogacy titled Following Foo: The Electronic Adventures of the Chestnut Man (ISBN 9780060529536).