Tamblyn's first TV role was Emily Bowen (later known as Emily Quartermaine) on the soap opera "General Hospital", a role that she played for six years (from 1995 to 2001). She also starred in "Evergreen", the pilot episode of the second "The Twilight Zone" revival in 2002. Tamblyn became better known playing Joan Girardi, a teenage girl who receives frequent visits from God, on the CBS drama series "Joan of Arcadia". Tamblyn's father made several appearances as God in the form of a dog walker on the show, which ran from 2003 to 2005.