Guest Stars Wesley Clark as Himself (Former NATO Supreme Allied Commander, U.S. Army) 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) Robert Herjavec as Himself (CEO, Herjavec Group) Peter Heather as Himself (King's College London) Ian Beattie as Varus Richard Riddell as Flavus Murray McArthur as Egus Steven Berkoff as Augustus Tulsi Gabbard as Herself (U.S. Congress, Hawaii) Daniela Marinova as Thusnelda Louis Hynes as Young Alaric Vanessa Collingridge as Herself (Author) George Remes as Unwen Fintan McKeown as Iguiomerus Leart Dokle as Stilicho Marty Rea as Lupicinius Lindsay Powell as Himself (Author) David Furlow as Himself (Author) Antoaneta Peeva as Young Avina Georgi Zlatarev as Segestes Dimo Alexiev as Emsger Morris O'Connor as Himself (King's College London) Noel Lenski as Himself (Yale University) Michael Kullikowski as Himself (Penn State) Victor Bitiusca as Idlefons Dimitar Banenkin as Kunimund Kerry Ingram as Hilde John Bowler as Catus Decianus Douglas Russell as Drest Aleksandra Atanasova as Epona Aidan Kelly as Cathbad Paul Kynman as Arthfael Anton Poriazov as Goth Rebel
