Guest Stars Lachele Carl as Trinity Wells John Simm as The Master Adjoa Andoh as Francine Jones Penelope Wilton as Harriet Jones Gugu Mbatha-Raw as Letitia "Tish" Jones Reggie Yates as Leo Jones Alexandra Moen as Lucy Saxon Trevor Laird as Clive Jones Zoe Thorne voices Sphere John Pirkis voices Sphere Elize du Toit as Sinister Woman Gerard Logan voices Sphere Sharon Osbourne as Herself Colin Stinton as President Arthur Winters McFly as Themselves Nichola McAuliffe as Vivien Rook Ann Widdecombe as Herself Nicholas Gecks as Albert Dumfries Daniel Ming as Chinese Newsreader