Olivia Dunham is a fictional character from the television series Fringe, which aired from 2008 to 2013. She is portrayed by actress Anna Torv and serves as an FBI agent who investigates unusual and often supernatural events. Olivia is known for her strong determination and intelligence, often leading her team in solving complex cases. Throughout the series, Olivia works closely with a team that includes Walter Bishop, a brilliant but eccentric scientist, and his son Peter Bishop. Together, they explore parallel universes and confront various threats, making Olivia a central figure in the show's narrative. Her character development is a key aspect of the series.