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