 Shaun Dooley was announced to be appearing in the series in July 2018, while after the premiere episode, "The Woman Who Fell to Earth", was broadcast, it was confirmed that Susan Lynch and Art Malik would be among a number of guest actors that would appear in the series.Exterior shots for the episode took place within South Africa, marking the first time that "Doctor Who" conducted filming within the country.The choice of site by showrunner Chris Chibnall was aimed at providing the right environment towards his story for "The Ghost Monument", though this came with issues when filming began in January 2018.