Guest Stars T.R. Knight as J. Edgar Hoover Sally Dexter as Older Mileva David Dencik as Niels Bohr Henry Goodman as Walther Rathenau Charity Wakefield as Betty Neumann Vincent Kartheiser as Raymond Geist Eugene Simon as Eduard Einstein Dag Malmberg as Svante Arrhenius Thomas Morris as Ernst Peter Jacobson as Chaim Weizmann Co Starring Lucy Farrett as Older Margot Zita Téby as Older Ilse Michael Pitthan as Rudolf Petra Buckova as Osip's Mum Adam Vacula as Dmitri Randall Scott Williams as Crowd Voice 2 Nicholas Richardson as Cop Matthew Burt as Reporter 1 Sam Douglas as Attorney General Palmer Neil Edmond as Dr. Weiss Mark Lisseman as Hitler Victor Dohlsten as Male Assistant Charlotte Puder as Nazi Secretary Sebastian Müller-Stahl as Nazi Official Laura Strugar as Crowd Voice 1 Nicole J. Adelman as Crowd Voice 3 Jake Samuels as Reporter 2 Георгий Стрелянный as Osip Amy Huck as Eleanor Ted Otis as Reporter 3 Scott Sparrow as Police
