Princess Mithian in the Series 4 and 5 episodes The Hunter's Heart and Another's Sorrow in the BBC series Merlin. Montgomery is a real-life friend of Bradley James who plays Arthur Pendragon, on the series. She was shortlisted to portray Queen Andromeda in the film Wrath of the Titans before the role was given to Rosamund Pike. She played Martina Garretti in the television drama Made in Jersey. She currently stars as Mary Sibley in Salem.
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