Guest Stars Seth Gabel as Michele Besso Sally Dexter as Older Mileva Alicia von Rittberg as Anna Winteler Henry Goodman as Walther Rathenau Lily Dodsworth-Evans as Ilse Einstein Gwendolyn Ellis as Young Elsa Einstein Zoe Telford as Clara Haber Silvina Buchbauer as Katharina Lenard Dag Malmberg as Svante Arrhenius Joshua Akehurst as Hans Albert Einstein (Age 15) Adrian Edmondson as David Hilbert Lochlainn O'Mearáin as Georg Nikolai Jack Fox as Dr. Paul Weyland Co Starring Edan Hayhurst as Hans Albert Einstein (Age 10) Caspar Griffiths as Eduard Einstein (Age 4) Logan Hillier as Reporter 1 William Valerián as Prussian Academy Assistant Tim Woodward as Magistrate Konig Eric Carte as Sir William Crookes Daniel Brown as British Photographer Paul Gilmore as General Lehning Václav Jiřaček as German Photographer Steve Windolf as Carl Bosch Edward Harrison as Arthur Eddington Joe Weintraub as Reporter 2 Jiri Roskot as Dying French Soldier Marc Cram as Executive Hugh Robb as Eduard Einstein (Age 9) Zuzana Stivínová as General's Wife Lukás Král as Scientist Johannes Rhomberg as Swiss Soldier Samuel Hummel as German Soldier
