(written from a Production point of view)
At the early age of 17, she was crowned "Miss Chinatown USA". A talent manager found her training at a gym and encouraged her to go audition for a casting director. She did and it eventually led to her getting a leading role as Nefaria in the FOX series Masked Rider (1995-1996). She also lent her voice for the same character in two episodes of Mighty Morphin Power Rangers (1995). With her physical background, Tung has done most of her own stunts and performed also stunts for the 1998 blockbuster Armageddon.
Tung has also performed in several television series such as Baywatch Nights (1996, episodes Code of Silence and Terror of the Deep, alongside Irene Tsu and Dey Young in the previous one), Beverly Hills, 90210 (1998, episode The Wedding: Part 1, with Ann Gillespie), Angel (1999, episode Lonely Hearts, with Obi Ndefo), The King of Queens (2000, episode Class Struggle), J.J. Abrams' Alias (2002, episodes The Box: Part 1&2, with Randy Hall and Jeff Wolfe), ER (2003, episode Finders Keepers, with Max Grodénchik and Michelle Bonilla), Charmed (2001, episode The Demon Who Came in from the Cold, directed by Anson Williams and 2005, episode Battle of the Hexes, directed by LeVar Burton and with Scott Rinker), and CSI: Miami (2007, episode Bang, Bang, Your Debt).
Tung played a leading role in the television action film The President's Man (2000) and it's sequel The President's Man: A Line in the Sand (2002, alongside Joel Swetow). She has also performed in films such as What Lies Beneath (2000), Kung Pow: Enter the Fist (2002, with Chris Palermo, Al Goto, and stunt coordinator Todd Bryant), where she was doubled by stuntwoman Leigh Hennessy, Undoing (2006, with Mary Mara), and the horror film Pearblossom (2008, with Charles Napier).