Most of the cast have appeared or worked on Doctor Who. Colin Baker played The 6th Doctor and Commander Maxil in Arc of Infinity (1983), Carole Ann Ford played Susan, Peter Purves played Steven, Katy Manning played Jo, Sophie Aldred played Ace, Jacqueline King played Sylvia Noble, Annette Badland played Margaret Blaine in Aliens of London (2005), World War Three (2005), Boom Town (2005) and the Torchwood: Monthly Range (2015) episode Sync (2019), Ian McNiece played Winston Churchill in The Beast Below (2010), Victory of the Daleks (2010), The Pandorica Opens (2010), The Wedding of River Song (2011) and multiple audio dramas, Colin Spaull played Lilt in Revelation of the Daleks (1985) and Mr Crane in Rise of the Cybermen (2006) and The Age of Steel (2006), Simon Fisher-Becker played Dorium in The Pandorica Opens (2010), A Good Man Goes to War (2011), The Wedding of River Song (2011) and multiple audio dramas, Mark Benton played Clive in Rose (2005) and Rose Tyler: The Dimension Cannon (2019) and Jack Coulson in Energy of the Daleks (2012), Richard Ashton played Friday in Empress of Mars (2017), Dominic Glynn composed the Doctor Who theme for Season 23 and the soundtrack for The Trial of a Time Lord (1986), Dragonfire (1987), The Happiness Patrol (1988) and Survival (1989), Matthew Jacobs wrote the script for Doctor Who (1996) and Mickey Lewis played multiple monsters on the show from Asylum of the Daleks (2012) to The Power of the Doctor (2022).