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 The Three Doctors (uncredited) and a soldier in Planet of the Spiders. It is not stated in-universe whether these characters are one and the same.