John Marcus "Scoot" McNairy (born November 11, 1977) is an American actor and producer. He is known for his roles in Monsters, Argo, Killing Them Softly, 12 Years a Slave, Gone Girl, and Batman v Superman: Dawn of Justice. In television, he starred in the AMC period drama Halt and Catch Fire, True Detective, Narcos: Mexico, and the Netflix western miniseries Godless.