 Dowling guest starred in "The Rains of Castamere", the ninth episode of the third season of HBO's fantasy television series "Game of Thrones" as Roslin Frey.She also starred in "Elephants Can Remember" in the thirteenth series of ITV's "Agatha Christie's Poirot", adapted from Agatha Christie's novel of the same name.This episode was aired on 9 June 2013, and starring Zoë Wanamaker, Vanessa Kirby and David Suchet.