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