Simon Fisher-Becker played Dorium Maldovar in the Doctor Who stories The Pandorica Opens, A Good Man Goes to War, The Wedding of River Song, and the Eleventh Doctor Chronicles story The Light Keepers.
He also played the Time Lord Science Minister Kavil in series 5 of Gallifrey stories Emancipation, Evolution and Arbitration and voiced Lift in the Iris Wildthyme story A Lift in Time
Outside of his role in Doctor Who, he is known for appearing in the popular Harry Potter film franchise, albeit briefly, and for playing the Fat Controller from Thomas the Tank Engine for ten years.