Cast The Doctor – David Tennant
Martha Jones – Freema Agyeman
Writer Russell T Davies Director Charles Palmer
The Doctor teams up with medical student Martha Jones (Freema Agyeman) when a London hospital is transported to the Moon. Rhinoceros-like law enforcers, the Judoon, are hunting a Plasmavore. Disguised as an elderly patient (Anne Reid), she sucks blood through a straw.