Maria McErlane voiced Bianca in the Big Finish Doctor Who audio story The Wormery and Matka in the Big Finish Bernice Summerfield audio stories Year Zero and Dead Man's Switch.
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Maria McErlane voiced Bianca in the Big Finish Doctor Who audio story The Wormery and Matka in the Big Finish Bernice Summerfield audio stories Year Zero and Dead Man's Switch.