Guest Stars Seth Gabel as Michele Besso Jon Fletcher as Marcel Grossmann Claire Rushbrook as Pauline Einstein Catherine McCormack as Marija Ruzic-Maric Alistair Petrie as Heinrich Weber Helen Monks as Maja Einstein Predrag Bjelac as Milos Maric Simon Kunz as Friedrich Haller Robert Lindsay as Hermann Einstein Silvina Buchbauer as Katharina Lenard Tom Brittney as Conrad Habicht Adrian Lukis as Wilhelm Röntgen Alexander Vlahos as Maurice Solovine Lynsey Beauchamp as Anna Röntgen Co Starring Tim Dutton as Headmaster Loncar Joachim Bird as Timo Ebersold Alena Stréblová as Innkeeper's Wife Terrence Hardiman as Professor Griesel Brendan Douglas as Inn Proprietor Emily Laing as Helene Savic Martin Moravec as Telegram Boy Thomas Padden as Walther Nernst Peter Hamilton Dyer as Frederic Ebersold Sue Maund as Frau Schnellham Radoje Čupić as Priest
