About Doctor Who Season 5, Episode 2 : The Beast Below

The Doctor and Amy travel into the future, where Earth has been decimated by solar flares and Britain's population has evacuated in a giant starship. However, the starship conceals a genocidal secret, one which Amy is suborned into keeping from the Doctor. Guest Stars: Hannah Sharp, Ian McNeice, Sophie Okonedo, Terrence Hardiman, Christopher Good, Alfie Field, David Ajala, Catrin Richards, Jonathan Battersby, Chris Porter,