Amber Rose Tamblyn (born May 14, 1983) is an American actress and poet. She first came to national attention in her role on the soap opera General Hospital as Emily Quartermaine, followed by a starring role on the prime-time series Joan of Arcadia portraying the title character. Her feature film work includes roles in The Sisterhood of the Traveling Pants, The Grudge 2, and 127 Hours; she recently had an extended arc as Martha M. Masters on the main cast of the medical drama House.