Actor
- Afro Samurai: Resurrection (2009) .... Sio (voice) (rumored)
- Dirty Sexy Money The Convertible (2009) .... Nola Lyons
- Dirty Sexy Money The Unexpected Arrival (2009) .... Nola Lyons
- Dirty Sexy Money The Bad Guy (2009) .... Nola Lyons
- Little Spirit: Christmas in New York (2008) .... (voice)
- Premio Donostia a Antonio Banderas (2008) .... Agent Sever (archive footage)
- Kung Fu Panda (2008) .... Viper (voice)
- The Year of Getting to Know Us (2008) .... Anne
- Cashmere Mafia (2008) .... Mia Mason (7 episodes, 2008)
- Rise (2007) .... Sadie Blake
- Code Name: The Cleaner (2007) .... Gina
- Watching the Detectives (2007) .... Violet
- Dirty Sexy Money (2007) .... Nola Lyons (13 episodes, 2008-2009)
- Ugly Betty Derailed (2007) .... Grace Chin
- Ugly Betty Icing on the Cake (2007) .... Grace Chin
- 3 Needles (2006) .... Jin Ping, the Blood Smuggler
- Lucky Number Slevin (2006) .... Lindsey
- 101 Sexiest Celebrity Bodies (2005) .... Herself - place #89 (archive footage)
- Domino (2005) .... Taryn Miles
- My Date with Drew (2005) .... Herself (uncredited)
- Tsunami Aid: A Concert of Hope (2005) .... Herself
- Joey Joey and the Taste Test (2005) .... Lauren Beck
- Maya & Miguel (2004) .... Maggie Lee (9 episodes, 2004)
- Kill Bill: Vol. 2 (2004) .... O-Ren Ishii (archive footage)
- Jackie Chan: The Inside Story (2004) .... Herself
- Game Over (2004) .... Raquel Smashenburn (voice)
- The Making of 'Kill Bill: Volume 2' (2004) .... O-Ren Ishii (archive footage)
- Kill Bill: Vol. 1 (2003) .... O-Ren Ishii
- The Making of 'Kill Bill' (2003) .... Herself
- Celebrity Naked Ambition (2003) .... (archive footage)
- I Love the '70s (2003) .... Herself
- Charlie's Angels: Full Throttle (2003) .... Alex Munday
- The Making of 'Charlie's Angels: Full Throttle' (2003) .... Herself
- Chicago (2003) .... Kitty Baxter
- Cypher (2003) .... Rita Foster
- Ballistic: Ecks vs. Sever (2002) .... Sever
- Hotel (2002) .... Kawika
- Cinetipp (2002) .... Herself (1 episode, 2008)
- Rank 25 Toughest Stars (2002) .... Herself
- HBO First Look Ballistic: Ecks vs. Sever (2002) .... Herself
- King of the Hill Bad Girls, Bad Girls Whatcha Gonna Do (2002) .... Tid Pao (voice)
- America: A Tribute to Heroes (2001) .... Herself
- AFI's 100 Years, 100 Thrills: America's Most Heart-Pounding Movies (2001) .... Herself
- Sex and the City Coulda, Woulda, Shoulda (2001) .... Herself
- Futurama I Dated a Robot (2001) .... Herself / Lucy Liubots (voice)
- Charlie's Angels (2000) .... Alex Munday
- Shanghai Noon (2000) .... Princess Pei Pei
- Play It to the Bone (2000) .... Lia
- Futurama Love and Rocket (2000) .... Herself (voice)
- The Mating Habits of the Earthbound Human (1999) .... The Female's Friend (Lydia)
- Flypaper (1999) .... Dot (as Lucy Alexis Liu)
- True Crime (1999) .... Toy Shop Girl (as Lucy Alexis Liu)
- Payback (1999) .... Pearl (as Lucy Alexis Liu)
- Molly (1999) .... Brenda
- Love Kills (1998) .... Kashi
- Guy (1997) .... Woman at newsstand (as Lucy Lui)
- City of Industry (1997) .... Cathi Rose (as Lucy Alexis Liu)
- Riot (1997) .... Boomer's Girlfriend (segment "Empty")
- Gridlock'd (1997) .... Cee-Cee (as Lucy Alexis Liu)
- Jerry Maguire (1996) .... Former Girlfriend (as Lucy Alexis Liu)
- Pearl (1996) .... Amy Li (7 episodes, 1996-1997)
- High Incident (1996) .... Officer Whin (2 episodes, 1996)
- Nash Bridges Genesis (1996) .... Joy Powell
- The X Files Hell Money (1996) .... Kim Hsin (as Lucy Alexis Liu)
- Bang (1995) .... Hooker (as Lucy Lui)
- Home Improvement Bachelor of the Year (1995) .... Woman #3
- ER Do One, Teach One, Kill One (1995) .... Mei-Sun Leow (as Lucy Alexis Liu)
- ER What Life? (1995) .... Mei-Sun Leow (as Lucy Alexis Liu)
- ER And Baby Makes Two (1995) .... Mei-Sun Leow (as Lucy Alexis Liu)
- Protozoa (1993) .... Ari
- Ban wo zong heng (1992) .... Donna
- Code Name: The Cleaner (2007) .... executive producer
- Freedom's Fury (2006) .... executive producer
- Gnome (2005) .... thanks