Guest Stars Darius Arya as Himself (American Institute for Roman Culture) Steve Kershaw as Himself (University of Oxford) Kevin W. Farrell as Himself (U.S. Army (Ret.)) Wesley Clark as Himself (Former NATO Supreme Allied Commander, U.S. Army) Robert Herjavec as Himself (CEO, Herjavec Group) Jesse Jackson as Himself (Civil Rights Leader) Tulsi Gabbard as Herself (U.S. Congress, Hawaii) Lindsay Powell as Himself (Author) Clarence B. Jones as Himself (Civil Rights Leader) Eric L. Haney as Himself (Command Sergeant Major, U.S. Army (Ret.)) Lenny Depaul as Himself (U.S. Marshall Service (Ret.)) Barry Strauss as Himself (Professor at Cornell University) Ian McElhinney as Tagus Wilson Radjou-Pujalte as Young Hannibal John Macmillan as Mago Clive Russell as Cumelios Julian Kostov as Marcus Josh Bolt as Reburrus Dan-El Padilla Peralta as Himself (Princeton University) Atanas Srebrev as Metellus Valerio Massimo Manfredi as Himself (Archaeologist) Radu Andrei Micu as Ditalicus Patrick Regis as Hamilcar Nick Moss as Vetilius Ayelet Haimson Lushkov as Herself (University of Texas at Austin) Ben Allen as Scipio Jr. Denis Ștefan as Maharbal Mihai Verbinski as Magalus Anton Trendafilov as Viriathus's Father Gertrude Nickolalis Sebastian as African Priestess
