Tube Guard is a fictional character portrayed by Kemal Sylvester in the TV series Sherlock.
They appear in 1 episodes out of a total of 12 aired
Episodes1
The Great Game
episode S1.E3 november 2010Mycroft needs Sherlock's help, but a remorseless criminal mastermind puts Sherlock on a distracting crime-solving spree via a series of hostage human bombs through which he speaks.