Guest Stars Alicia von Rittberg as Anna Winteler Claire Rushbrook as Pauline Einstein Alistair Petrie as Heinrich Weber Nicholas Rowe as Jost Winteler Shannon Tarbet as Marie Winteler Helen Monks as Maja Einstein George Webster as Julius Winteler Henry Goodman as Walther Rathenau Lucy Russell as Frau Pauline Winteler Charity Wakefield as Betty Neumann Vincent Kartheiser as Raymond Geist Robert Lindsay as Hermann Einstein 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 George Lenz as Captain Muller Ondřej Novák as Prussian Student #2 Oleg Tikhomirov as Assassin #2 Robert Jezek as Aarau Physics Teacher Christopher Reinhardt as Assassin #1 Stéphane Poignant as Luitpold French Teacher Martin Umbach as Dr. Talmud Norbert Hülm as German Man Ivo Novák as Luitdpold Chemistry Teacher Thomas M. Meinhardt as Luitpold Math Teacher Ryan Masher as Bruno 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