In 2012, Dowling made her television debut in "The Drawing of the Dark", the eleventh episode of the final series of the BBC
fantasy drama series Merlin, as a druid girl named Kara. She also appeared in the music video for "Love Is All I Got" by Feed Me and Crystal Fighters. Dowling guest starred in "
The Rains of Castamere", the ninth episode of the
third season of
HBO's television series
Game of Thrones as Roslin Frey. She also appeared 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 also starred
Zoë Wanamaker,
Vanessa Kirby and
David Suchet. Dowling played the character in the
action film Hammer of the Gods, also starring
James Cosmo. The film is directed by
Farren Blackburn and was released on 5 July 2013. 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, 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. ==Filmography==