Guest Stars Darius Arya as Himself (American Institute for Roman Culture) Kevin W. Farrell as Himself (U.S. Army (Ret.)) Steve Kershaw as Himself (University of Oxford) Wesley Clark as Himself (Former NATO Supreme Allied Commander, U.S. Army) Robert Herjavec as Himself (CEO, Herjavec Group) Peter Heather as Himself (King's College London) Jesse Jackson as Himself (Civil Rights Leader) Richard Riddell as Flavus Ian Beattie as Varus Steven Berkoff as Augustus Lenny Depaul as Himself (U.S. Marshall Service (Ret.)) Fintan McKeown as Iguiomerus Daniela Marinova as Thusnelda Vanessa Collingridge as Herself (Author) Georgi Zlatarev as Segestes Dimo Alexiev as Emsger David Furlow as Himself (Author) Clarence B. Jones as Himself (Civil Rights Leader) Eric L. Haney as Himself (Command Sergeant Major, U.S. Army (Ret.)) Barry Strauss as Himself (Professor at Cornell University) Velislav Pavlov as Ignatio Diana Dimitrova as Aquilina Alekzander Simeonov as Young Emsger Nikola Dodov as Sigismer Karina Andonova as Young Thusnelda Boyan Petrov as Young Arminius Pavel Shalamanov as Adalburn Martin Yordanov as Young Flavus Elias Ferkin as Scarface Stefan Popov as Fulco Dimitur Zahariev as Paolo Deyan Tsviatkov as Hugo Virginia Campbell as Herself (University of Oxford) Alun Raglan as Crixus Hristo Petkov as Crazy Eyes Valentine Pelka as Crassus