Full Cast & Crew

Hervé Lacroix as Narrator (voice)

Albert Einstein as Self (archive footage)

Joseph Stalin as Self (archive footage)

Franklin D. Roosevelt as Self (archive footage)

Adolf Hitler as Self (archive footage)

Pyotr Vasilyevich Zarubin as Self - Son of Elizabeth Zarubina

Nikolai Bondarenko as Self - Historian and Journalist

Alexandre Adler as Self - Historian and Journalist

Nikolai Dolgopolov as Self - Author and Journalist

Patrick Pesnot as Self - Author and Journalist

Alan B. Carr as Self - Historian

Leó Szilárd as Self (archive footage)

Leslie Groves as Self - Director of the Manhattan Project (archive footage)

Jon Hunner as Self - Historian

J. Robert Oppenheimer as Self (archive footage)

Claire Morin as Elizabeth Zarubina (voice)

Klaus Fuchs as Self - Theoretical Physicist and Atomic Spy (archive footage)