Michelle Renee Forbes Guajardo (born January 8, 1965) is an American actress who has appeared on television and in independent films. Forbes first gained attention for her dual role in daytime soap opera Guiding Light, for which she received a Daytime Emmy Award nomination. She is also a Saturn Award winner with three nominations. Forbes is known for her recurring appearances on genre and drama shows such as Ensign Ro Laren in Star Trek: The Next Generation and her regular role as medical examiner Julianna Cox on Homicide: Life on the Street during the 1990s, while building her career with recurring roles throughout the 2000s in Battlestar Galactica, 24, In Treatment, Durham County, Prison Break and her series regular role as Maryann Forrester on True Blood. She has appeared in significant roles in movies such as Escape from L.A., Kalifornia and Swimming with Sharks. She starred in the 2011–2012 AMC television series The Killing, for which she received a Primetime Emmy Award nomination. On June 18, 2019 it was announced that Forbes would join USA Network's upcoming action drama series, Treadstone, a prequel to the Bourne franchise.