In August 2010, Johnson appeared in the Fox series "Lie to Me", along with several fellow cast members from "The Shield". In 2011, Johnson appeared in Lifetime's series "The Protector", with fellow "Sons of Anarchy" co-star Ally Walker. Johnson also appeared as a regular in NBC's crime drama series "Prime Suspect", playing the contractor boyfriend of the lead character, Detective Jane Timoney (Maria Bello). Also in 2011, Johnson starred as Frank Connor, a convicted drug smuggler who leaves prison after 22 years for one youthful mistake, in "Few Options". In 2012, he guest starred as Tyler Gray in the sixth season of "Burn Notice", and as Greg Marshall in the fourth season of "The Mentalist". That following year, Johnson portrayed U.S. Marshal Max Clayton in the eighth and final season of "Dexter".