Which English actor and producer guest-star in the third episode of the eighth series of "Doctor Who"?
Tom Riley (actor) Tom Riley (born 5 April 1981) is an English actor and producer.
Hex (Doctor Who) Thomas Hector Schofield, nicknamed Hex, is a fictional character played by Philip Olivier in a series of audio plays produced by Big Finish Productions based on the long-running British science fiction television series "Doctor Who". A staff nurse working for St. Gart's Hospital in London in the year 2021, he is a companion of the Seventh Doctor.