Guest Stars Angela Wynter as Cherry Sunday Michelle Greenidge as Carla Sunday Anita Dobson as Mrs Flood Jemma Redgrave as Kate Lethbridge-Stewart Aneurin Barnard as Roger ap Gwilliam Siân Phillips as Enid Meadows Susan Twist as Hiker Hilary Hobson as The Woman Shane David-Joseph as Akhim Patel Graham Butler as Frank Hinchey Sophie Ablett as Marti Bridges Albey Brookes as Rufus Bray Elan Davies as Thin Lucy Rhyanna Alexander Davis as Elizabeth Campbell Dylan Baldwin as Security Officer Gwion Morris Jones as Ifor Jones David Constant as Armed Policeman Sion Pritchard as Joshua Steele Ali Ariaie as Sanjay Miah Deeivya Meir as Newsreader Jason May as Groundsman Miles Yekinni as Craig Deloach Amol Rajan as Himself Vee Vimolmal as Nurse Glyn Pritchard as Eddie Jones Maxine Evans as Lowri Palin Amanda Walker as Old Ruby