Her big breakthroughs into the film world came when she bagged the lead roles in the Hong Kong action thrillers "Gen-Y Cops" and "Naked Weapon", in which she played the sexy but vulnerable martial artist assassin Charlene Ching. She has also played in the German-Singapore telemovie collaboration "Das Haus Der Harmonie", opposite leading Singaporean actress Fann Wong.
Recently, she starred in her biggest Hollywood role to date alongside Tom Cruise in "Mission: Impossible III. Maggie will play a world-class hacker at odds with a villain who tries to terrorize America in Bruce Willis' "Live Free or Die Hard"