Guest Stars Claire Rushbrook as Pauline Einstein Alicia von Rittberg as Anna Winteler Henry Goodman as Walther Rathenau Helen Monks as Maja Einstein Alistair Petrie as Heinrich Weber Nicholas Rowe as Jost Winteler Shannon Tarbet as Marie Winteler Lucy Russell as Frau Pauline Winteler George Webster as Julius Winteler Charity Wakefield as Betty Neumann Vincent Kartheiser as Raymond Geist Robert Lindsay as Hermann Einstein Taylor Frost as Paul Winteler Joshua Hogan as Mathias Winteler Benjamin Haigh as Fred Winteler Lucy Chappell as Rosa Winteler Eric Colvin as Jakob Einstein Co Starring Thomas Morris as Ernst Ondřej Novák as Prussian Student #2 Oleg Tikhomirov as Assassin #2 Stéphane Poignant as Luitpold French Teacher Thomas M. Meinhardt as Luitpold Math Teacher Scott Lipman as Prussian Student #1 George Lenz as Captain Muller Ivo Novák as Luitdpold Chemistry Teacher Sam Gallacher as Brownshirt Pavel Myslík as Rathenau's Driver Jack Hopkins as Older Hitler Youth Boy William Brand as Heidelberg University Provost Ryan Masher as Bruno Robert Jezek as Aarau Physics Teacher Martin Umbach as Dr. Talmud Norbert Hülm as German Man Christopher Reinhardt as Assassin #1
