Top Billed Cast

1. 

   J. Robert Oppenheimer

   Self (archive footage)

2. 

   Ellen Bradbury Reid

   Self - Daughter of Los Alamos Scientist

3. 

   Christopher Nolan

   Self - Writer / Director, "Oppenheimer"

4. 

   Jon Else

   Self - Filmmaker, "The Day After Trinity"

5. 

   Kai Bird

   Self - Co-Author, "American Prometheus"

6. 

   Bill Nye

   Self - Science Educator

7. 

   Richard Rhodes

   Self - Author, "The Making of the Atomic Bomb"

8. 

   Mareena Robinson Snowden

   Self - Nuclear Security Expert

9. 

   Alan B. Carr

   Self - Senior Historian, Los Alamos National Laboratory

10. 

    Gregg Herken

    Self - Author, "Brotherhood of the Bomb"

11. 

    Jennet Conant

    Self - Author, "109 East Palace"

12. 

    David Eisenbach

    Self - History Professor, Columbia University

13. 

    Alex Wellerstein

    Self - Nuclear Historian

14. 

    Martin J. Sherwin

    Self - Co-Author, "American Prometheus" (voice)

15. 

    Michio Kaku

    Self - Theoretical Physicist

16. 

    Leslie Groves

    Self - Director, Manhattan Project (voice) (archive footage)

17. 

    Charles Oppenheimer

    Self - Grandson

18. 

    Robert Christy

    Self - Theoretical Physicist (voice) (archive footage)

19. 

    Robert S. Norris

    Self - Author, "Racing for the Bomb"

20. 

    Hideko Tamura

    Self - Hiroshima Survivor (Age 10)

21. 

    Roy Glauber

    Self - Scientist, Manhattan Project (voice) (archive footage)

22. 

    Edward Teller

    Self - Theoretical Physicist (archive footage)

23. 

    Eleanor Roosevelt

    Self (archive footage)

24. 

    Judy Woodruff

    Self (voice) (archive footage)

25. 

    Adolf Hitler

    Self (archive footage)

26. 

    Vladimir Putin

    Self (archive footage)

27. 

    Xi Jinping

    Self (archive footage)

28. 

    Albert Einstein

    Self (archive footage)