Another Doctor Who guest star you heard but never saw. Imelda Staunton voiced the Interface in Series 6's The Girl Who Waited which added a much needed sense of prestige to an otherwise lacklustre episode. A screen and stage veteran, Imelda, who received a Best Actress nomination at the Oscars for her 2004 portrayal of Vera Drake, is perhaps best known by fantasy fans for her portrayal of Professor Dolores Umbridge in the Harry Potter franchise. She will have order!