Kristie Marsden is a Canadian actress. Her acting career started in the early 2000s. During this period, she guest-starred on the television shows Dark Angel, Freedom, and The Chris Isaak Show. She also had roles in Wolf Lake, I Was A Teenage Faust and Just Deal. In 2005, she made her big screen debut playing the role of Olivia in The Sisterhood of the Traveling Pants. She later guest-starred in Supernatural, Masters Of Horror, Saved, and The 4400. She then joined the main cast of the Canadian comedy series playing the role of Erin About a Girl. This only lasted one season.