In 2004, she played the role of a private investigator in the television movie "Suburban Madness." The same year, she also appeared in the movie "The Day After Tomorrow" with Dennis Quaid and Jake Gyllenhaal. In 2005, she began a recurring role in the Fox dramatic series "House" as Stacy Warner, the hospital's attorney and formidable ex-partner of the protagonist Dr. Gregory House (played by Hugh Laurie). In 2006, Ward's character was written off the show. However, she made her last guest appearance in the series finale (which aired on May 21, 2012).