Oliver Morgenstern was a medical student at Royal Hope Hospital. He was on the hospital when it was transported onto The Moon by the Judoon. He kept following the Judoon captain, and reassuring the patients that they were safe. When the hospital was back on Earth, he was being interviewed on the radio. (DW: Smith and Jones)
Behind The Scenes
He will appear in Turn Left as confrimed by the radio times. It is rumoured that this episode takes place in an alternitive timeline.