Cast

• Angela Bruce (Brigadier Winifred Bambera)
• Alex Jordan (Sergeant Jean-Paul Savarin)
• Yemisi Oyinloye (Dr Louise Rix)
• Liz Sutherland-Lim (Dame Lydia Kingsley)
• George Watkins (Eyrie Six (Bragg) / Chuchuna)
• Wilf Scolding (Roman Krojač / Professor Ian Fenning)
• Silas Carson (Dr Winston Grange)
• Simon Ludders (Dr Andrews / Control / Colin Carter)
• Simone Lahbib (Sylvia Brooks / DI Alison Lees)
• Homer Todiwala (Trooper 1 / Astronaut 1 / UNIT Medic)
• Tracy Wiles (Trooper 2 / Astronaut 2 / Cleaner / Helena)
• Lorne MacFadyen (McManis)
• Debra Michaels (Dr Megan Hollands)