Guest Stars Roger Bart as Chief of Staff Richard Peel José Zúñiga as Carlos Geller Sam Ball as Aaron Dondre T. Whitfield as Agent Mike Garret Chet Grissom as Kroll Roma Maffia as Doctor Barbara Tarbuck as Speaker of the House Co Starring Sean Carrigan as Devon Sayeed Shahidi as David Martinez Alex Luria as Delgado Kevin Cotteleer as Rogers Josh Novak as NSA Agent / Signals Analyst Stephen Luna as Hazmat Tech Josh Wingate as Commando #2 Chase Kim as Commando Janora McDuffie as TSA Agent Michael Charles Vaccaro as Hazmat Tech #2 Jeffrey Markle as Security Guard Ashli Dowling as Staffer #2 Suzanne Marques as Local TV Reporter Jossie Thacker as Staffer
