L'Rell's battle cruiser personnel
List of personnel on  in 2256.

Shuttle Klingons 
While , Harry Mudd and  were held captive in 2256, these two Klingon cell guards wearing the crest of the House of Mo'Kai would routinely enter to ask them to "Choose Your Pain" - to choose a cellmate for the lead guard to beat on the spot. At one point, these guards also took Lorca to see L'Rell. Later, Lorca and Tyler broke both of their necks while carrying out their escape. ()

Warriors 
These three Klingon warriors boarded 's shuttlecraft DSC 01 in 2256. While the first warrior dropped from a ceiling hatch, a second warrior in a white uniform held Lorca while a third warrior entered from the shadows and stabbed the craft's pilot. 

Later while escaping through the corridors of the cruiser, Lorca and Tyler shot and vaporized the warriors that tried to stop them. ()

Unnamed Klingons