Full credits

On screen, in billing order

1. 1Aleksander Krupaas Edward Teller
2. 2Barnard Hughesas Henry L. Stimson
3. 3Brian Dennehyas Leslie Groves
4. 4David Strathairn
5. 5Hal Holbrookas George Marshall
6. 6John McMartinas Arthur Holly Compton
7. 7John Pielmeieras Seth Neddermeyer
8. 8Lorne Brassas Klaus Fuchs
9. 9Michael Tucker
10. 10Patrick Breenas Richard Feynman
11. 11Peter Boretskias Albert Einstein
12. 12Tony Shalhoubas Enrico Fermi
13. 13Vlasta Vránaas Hans Bethe

• Aaron Spelling