Claim to Fame her roles as Alice Collins in the 1986 neo-noir action thriller film No Mercy, Janie Rooney in the 1987 romantic thriller comedy-drama film Hiding Out, Rebecca Byrne in the NBC police procedural drama series Law & Order, Julie in the 1991 psychological thriller film Sleeping with the Enemy, Suzanne Stillman in the Fox postapocalyptic sitcom Woops!, Mia Jablon in the 1992 comedy-drama film This Is My Life, Joan in the 1992 comedy-drama film Hero, Nancy Taylor in the 1993 fantasy comedy film Groundhog Day, Dawn Tripplet in the 1994 television mystery film Past Tense, Margaret in the NBC sitcom Seinfeld, Carla Mitchelson in the 1995 thriller film In the Flesh, Velma in the NBC/Spectrum Originals sitcom Mad About You, Amanda in the NBC sitcom Frasier, Kate O'Reilly Johnson/Kate Smith in the 2001 Disney Channel original made-for-television family fantasy comedy film The Luck of the Irish, Katrina in the WB fantasy drama series Charmed, Jessica Avery in the CBS crime drama series Numb3rs, and June in the 2008 fantasy comedy short film Use As Directed