Gregson (Vastra Investigates)

Inspector Gregson was a Victorian officer from Scotland Yard.

In 1892, he congratulated Madame Vastra on cracking a case. (TV: Vastra Investigates)

When a dinosaur suddenly appeared in the Thames one day, Vastra and the Paternoster Gang handed him a device to help contain it.

Not much longer after, Vastra sent Gregson and other officers to take care of the Half-Face Man. However, they were too afraid to do anything. (TV: Deep Breath)