[3] 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.
This episode was aired on 9 June 2013, and also starred Zoë Wanamaker, Vanessa Kirby and David Suchet.
[5] Dowling played the female lead Agnes in the epic action film Hammer of the Gods, also starring James Cosmo.
The film tells the story of a dying Viking king who sends his son on a quest to seek out his older brother, the clan's only hope for defeating an approaching enemy horde.
[6] She is known for her role as Queen Anne in the BBC One drama series The Musketeers, based on Alexandre Dumas's novel The Three Musketeers,[7] Dowling portrayed Bertha in Joshua Stamp-Simon's stage adaption of St. John Emile Clavering Hankin's The Last of the De Mullins, which opened at Jermyn Street Theatre, London on 5 February and ended on 28 February 2015.