UNIT corporal (Invasion of the Dinosaurs)

A UNIT corporal was in charge of UNIT soldiers, left behind in an evacuated London to track time-displaced dinosaurs. (TV: Invasion of the Dinosaurs)

Behind the scenes

 * The UNIT corporal was played by Pat Gorman, who played a UNIT soldier in TV: The Three Doctors (uncredited) and a soldier in TV: Planet of the Spiders. It is not unreasonable to assume these three characters are one and the same.