Guest Stars Samuel Hunt as Craig "Mouse" Gurwitch Stella Maeve as Nadia Decotis Nick Gehlfuss as Dr. Will Halstead Kevin J. O'Connor as Commander Fischer Gary Perez as Fabian Sosa Kale Clauson as Mason "Mad Max" Rutowski Co Starring Kathy Scambiatterra as Medical Examiner Ruth Dwyer Carmen Bertucci as Carmine Lupino Howie Johnson as Sgt. Conroy Leah Urzendowski as Black Grid Girl Eddie Diaz as Argentine Bodyguard James T. Alfred as FBI Special Agent Rose Lucy Blehar as Sierra (Felicia Hughes) Jesse Dabson as Keith Hughes Eryn Koehn as Xaviera Danny Junod as Tommy Joshua Butler as The Pope (Josh Daniels)
