Anna Torv is an Australian actress. Her performance as Olivia Dunham in the Fox science fiction series Fringe (2008–2013) earned her four consecutive Saturn Awards for Best Actress on Television, a record for any performer, and a nomination for the Critics' Choice Television Award for Best Actress in a Drama Series. For her performance as Tess in the HBO post-apocalyptic drama series The Last of Us (2023), she was nominated for the Primetime Emmy Award for Outstanding Guest Actress in a Drama Series.

Olivia Dunham is a fictional character and the main protagonist from the science fiction television series Fringe, which aired on the Fox Broadcasting Company in the United States from 2008 to 2013. The character was created by series' co-creator J. J. Abrams, and is portrayed by actress Anna Torv. Olivia is the series' protagonist, and was introduced as an FBI Special Agent, working for a multi-agency task force of the U.S. Department of Homeland Security called the Fringe Division, dealing with supernatural events that are linked to experimental occurrences. Having grown up with an abusive stepfather, Olivia struggles with the unexpected changes in her life, following her encounter with mentally unstable scientist Walter Bishop, and his son and an eventual love interest for her, Peter Bishop.