Sgt. Johnson is a fictional character portrayed by Mark Doherty in the TV series Blindspot.
They appear in 1 episodes out of a total of 100 aired
Episodes1
Persecute Envoys
episode S1.E8 november 2015After a police officer is murdered, Patterson unlocks a disturbing tattoo that appears to have predicted his killing, and the team chases a violent clue trail to stop further attacks. Mayfair reveals secrets from her past to Weller, seriously testing their relationship.