Michelle Krusiec Michelle Krusiec ( Chinese : 楊雅慧 , Pinyin : Yáng Yǎhuì [ Yang Ya - Huei ] ) is the Taiwanese - American actress who played Molly O ' Brien as an eighteen - year - old in the episode . In actuality , Krusiec was 24 years old when she filmed this part . Krusiec was a " Star Trek " fan from an early age – her parents , " especially [ her ] father , are " Star Trek " buffs " – and was particularly excited to work on the series . One of the questions asked at her audition was whether Krusiec could perform cartwheels , as the casting directors were looking for an actress who could play a very physical role . ( " Michelle ' s Moment " , " Star Trek Monthly " , issue 47 ) Early life and career . Krusiec was born in Fallon , Nevada , the daughter of Taiwanese parents , and raised in Virginia Beach , Virginia , by her Taiwanese aunt and American uncle . Her acting career began at the age of twelve when she was approached by a talent scout at her uncle ' s restaurant , who told her she should pursue it . She was subsequently awarded a place at the Virginia Governors ' Magnet School of the Arts . She later graduated from Virginia Tech University with a degree in Theatre and English and completed additional studies at Oxford University in England . She made her television acting debut at the age of eighteen when she cast in the CBS Schoolbreak Special , " Sexual Considerations " , alongside fellow DS9 guest star Bernie Casey . In 1995 , director ( whom she reportedly " accosted " on stage at Virginia Tech ) cast Krusiec in her first film , the 1995 biographical drama " Nixon " . regular Robert Beltran also appeared in this film , as did Bill Bolender , Richard Fancy , Tony Plana , Saul Rubinek , and Paul Sorvino . Television . Upon graduation , Krusiec visited over fifty destinations around the world as a host on The Discovery Channel series " Travelers " . Shortly after her role on DS9 , she landed the starring role of Sui Blake on the comedy series , which ran on NBC from 1998 through 2001 . During this time , she made a guest appearance on NBC ' s drama series " Providence " ( with Richard Riehle , Tony Papenfuss , and series regular Concetta Tomei ) and recurred on the WB series " Popular " . Between 2000 and 2002 , Krusiec had a recurring role on the FOX Network comedy series " Titus " , which included one episode with " Voyager " guest star Kim Rhodes , another with Jacqueline Schultz and Tucker Smallwood , and a third with John Schuck . In between , Krusiec appeared on the UPN series " Special Unit 2 " and recurred on the HBO series , " The Mind of the Married Man " . She then guest - starred on the popular television series " ER " ( with Michelle Bonilla , Kay E . Kuter , Robert Mandan , and Tzi Ma ) , " Without a Trace " ( starring Enrique Murciano ) , and " Monk " ( with Adam Clark , Stanley Kamel and Matt Winston ) . In a 2004 episode of the Lifetime drama " Strong Medicine " , which was developed by Whoopi Goldberg , Krusiec played the daughter of a couple portrayed by " Star Trek " alumni Irene Tsu and Keone Young . " Trek " veteran Larry Cedar also appeared in this episode . She then made a return visit to the CBS series " Without a Trace " , in a 2005 episode with Rosemary Forsyth . That same year , she made guest appearances on Showtime ' s " Weeds " ( working with Andy Milder and Jeffrey Dean Morgan ) , ABC ' s " Grey ' s Anatomy " , and CBS ' " NCIS " ( with Matthew Kaminsky , Eric Steinberg , and Sonny Surowiec ) . In 2006 , " Enterprise " director David Straiton cast Krusiec in an episode of the FOX series " Standoff " , along with Gregory Barnett , Tim Kelleher , and Tom Wright . Most recently , Krusiec played the recurring role of Mei Ling Hwa Darling on the ABC series " Dirty Sexy Money " , working with Zoe McLellan and , for one episode , director Michael Grossman . She has since guest - starred on " CSI : NY " , " Community " and in a recurring role on the " Hawaii Five - 0 " revival , with Daniel Dae Kim . Film . TNG guest star and actor John Putch cast and directed Krusiec in his romantic comedy film " Pursuit of Happiness " . " Star Trek " alumni David Cowgill , Kieran Mulroney , Liz Vassey , Cress Williams , Tom Wright , and Jeff Yagher performed in this film , as well . In 2000 , Krusiec filmed a supporting role in the romantic comedy " Pumpkin " , which starred guest actor Hank Harris in the title role . This film premiered at the Sundance Film Festival in 2002 . Krusiec has a supporting role in the hit 2002 comedy " Sweet Home Alabama " , which features an uncredited performance by Andrew Prine . In 2003 , she appeared in three major comedies : " Daddy Day Care " ( starring Eddie Murphy and co - starring Jimmy Bennett and Wallace Langham ) , " Dumb and Dumberer : When Harry Met Lloyd " ( starring Rachel Nichols ) , and " Duplex " ( with Jenette Goldstein , Wallace Shawn , and Tracey Walter ) . Krusiec landed her first starring role in the 2004 romantic comedy , " Saving Face " . Krusiec ' s performance in this film gave her recognition and acclaim and garnered her a nomination as Best Actress from the Golden Horse Film Festival and Awards , the Chinese equivalent of the Academy Awards . Her subsequent film credits have included " Cursed " ( 2005 , with Derek Mears ) , " Live ! " ( 2007 , with Jeffrey Dean Morgan and Tom Wright ) , and " Henry Poole Is Here " ( 2008 , with Molly Hagan ) . She most recently had a supporting role in the hit 2008 comedy , " What Happens in Vegas . . . " , featuring cinematography by Matthew F . Leonetti . Other projects . In 2002 , Krusiec premiered her one - woman stage show , " Made in Taiwan " , at the Aspen Comedy Festival . In 2007 , the show made its off - Broadway debut at the first annual Asian American Theater festival . Krusiec lent her voice to the 2003 video game , " Tenchu : Wrath of Heaven " . Daniel Dae Kim , Brian Tochi , and Keone Young also provided voices for this game . Nearly a decade after they worked together on " Star Trek : Deep Space Nine " , Krusiec reunited with her on - screen mother , Rosalind Chao , when they performed in the acclaimed , award - winning documentary , " Nanking " . This film screened at various film festivals around the world before opening in limited release in the United States in December 2007 .