Her better-known TV jobs include a recurring role on Trinity (1998–99), a starring role on the American remake of the British comedy Cold Feet (1999), and top billing on the TNT drama Bull (2000). She played Leesa in a 1999 episode of Sports Night, appeared briefly as Lt. Stadi in the pilot episode of Star Trek: Voyager, played a cannibalistic murderer on CSI: Crime Scene Investigation, a widow who marries her late husband's killer on Law & Order: Criminal Intent, and appeared several times as JAG lawyer Lieutenant Commander Faith Coleman on JAG and NCIS (she also appeared in an episode of NCIS: Los Angeles, but as a different character). In 2003, she starred alongside Gary Oldman and Ving Rhames in the film Sin, and played a Hollywood rehab stereotype by the name of Toni Stark on Dawson's Creek. She played a power company public relations representative in a 2004 episode of Monk. Coppola also took on the unusual role of a female serial killer agreeing to help catch her copycat in the 2005 episode of Crossing Jordan titled "Road Kill". She had a recurring role on NBC's American Dreams playing the role of Nancy. She appeared on Two and a Half Men as Dr. Michelle Talmadge, in the episode "Woo-Hoo, a Hernia Exam!" (2005).