Ncuti Gatwa The Doctor Actor Millie Gibson Ruby Sunday Actor Varada Sethu Belinda Chandra Actor Jonah Hauer-King Conrad Clark Actor Jemma Redgrave Kate Lethbridge-Stewart Actor Ruth Madeley Shirley Bingham Actor Michelle Greenidge Carla Sunday Actor Angela Wynter Cherry Sunday Actor Faye McKeever Louise Miller Actor Benjamin Chivers Young Conrad Actor Kirsty Hoiles Moira Clark Actor Kareem Alexander Jordan Lang Actor Madison Stock Elsa Actor Gethin Alderman The Shreek Actor Paddy Stafford Sparky Actor Blake Anderson Jack Actor Aoife Gaston Michelle Actor Paul Jerricho Alfie Actor Michael Woodford Derek Actor Alexander Devrient Colonel Christofer Ibrahim Actor Tina Gray Audrey Actor Reeta Chakrabarti Self Joel Dommett Self Alex Jones Self Selorm Adonu Influencer 1 Actor Calypso Cragg Influencer 2 Actor James Craven Influencer 3 Actor Aidan Cook The Vlinx Actor Nicholas Briggs The Vlinx Voice Anita Dobson Mrs Flood Actor Russell T. Davies Executive Producer Jane Tranter Executive Producer Phil Collinson Executive Producer Pete McTighe Writer Julie Gardner Executive Producer Joel Collins Executive Producer Vicki Delow Producer Peter Hoar Director