Jackson (Terror of the Zygons)
From Tardis Wiki, the free Doctor Who reference
Private Jackson was a UNIT soldier under Brigadier Lethbridge-Stewart stationed at Tulloch to investigate the destruction of several oil rigs in the North Sea. He searched the Fox Inn for bugs. He later searched the woods for the Zygon Odda. (TV: Terror of the Zygons)
Behind the scenes
Jackson is only identified by Benton in part three.