Lucy Liu practices kali-eskrima-silat, a martial art involving sticks and knives. And while she's shown off her skills in the Charlie's Angels movies and Shanghai Noon," she's never had to use them to defend herself in real life.

"Thank God, no, but it has made me more aggressive," the 5-foot-3-inch actress told Jane magazine for its October issue.

After seeing Liu in action, Quentin Tarantino wrote a character for her in his upcoming martial-arts film, the two-part "Kill Bill."

"Quentin has an incredible knowledge of cinema," the 34-year-old actress said. "And to have somebody like that come up to you and tell you, 'Hey, I wrote this role for you. What do you think?' It makes you feel like you've done something right."