Sarah Douglas
From Tardis Wiki, the free Doctor Who reference
Sarah Douglas voiced three characters in The Adventure Games. She voiced Professor Elizabeth Meadows in Blood of the Cybermen, the Entity in TARDIS and Jones in Shadows of the Vashta Nerada. She also voiced Sibor in the Big Finish Doctor Who audio story Prisoners of Fate and Chancellor Dondequest in the Big Finish Gallifrey audio story Reborn. She also voiced Mary Christmas in AUDIO: Iris Wildthyme and the Claws of Santa.