Popsugar Entertainment Narcos Narcos Mexico Cast Check Out the All-New Cast For Narcos: Mexico, the Narcos Companion Series 20 September 2018 by Corinne Sullivan View On One Page Photo 7 of 7 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 Mike Doyle as Thomas Buehl Mike Doyle, who played forensics tech Ryan O'Halloran on Law & Order: Special Victims Unit, will play Thomas Buehl. Previous Next Start Slideshow NarcosTV