День первый: актёры и съёмочная группа
Актёров: 66 · в команде: 26 · к фильму
Актёры и роли
Gen. Leslie Groves
J. Robert Oppenheimer
Leo Szilard
James F. Byrnes
President Harry S. Truman
Gen. George Marshall
Henry Stimson
Dr. Arthur Compton
Franklin D. Roosevelt
Kitty Oppenheimer
Colonel Pash
Edward Teller
Dwight D. Eisenhower
Groves's Commanding Officer
Ralph A. Bard
Enrico Fermi
Ester Spitz
Trude Weiss
Colonel Nichols
Stephan Balint
Eugen Wigner
Peter Boretski
Albert Einstein
Richard Feynman
Hans Bethe
George Popovich
Samuel Goudsmit
Klaus Fuchs
Lord Rutherford
Graham Haley
Haakon Chevalier
Kliment Denchev
Michael Polanyi
Diana Fajrajsl
Ilse Polanyi
Colonel Lansdale
Robert Wilson
Mrs. Wisnovsky
Jack Wisnovsky
Mrs. Trowbridge
Robert Serber
Ed Condon
William 'Deke' Parsons
Captain DeSilva
Роберт Морелли
T. O. Jones
Jon Baggaley
James Tuck
David Bolt
Harry Gold
Army Major
Fleischmann
François Klanfer
Haagen Kistiakowski
Joel Miller
George Kistiakowski
Kenneth Bainbridge
Ed McGibbon
William D. Leahy
Nicholas Kilbertus
Paul Tibbets
Joe Cazalet
Air Force Guard
Chemist
Army General
Stan Gibbons
John J. McCloy
Terrence Labrosse
Allan Dulles
Delise Alison
London Pedestrian
Alex Guard
British Jr. Officer
Philip Spensley
British Sr. Officer
Frederick Neumann
Alexander Sachs
Norris Domingue
General Pa Watson
Steve Barry
Los Alamo Scientist (нет в титрах)
Scientist (нет в титрах)
Leo Szilard's Prime Scientist (нет в титрах)
Художник
| Curtis A. Schnell | Production Design |
| Guy Lalande | Art Direction |
Операторская работа
| Kees Van Oostrum | Оператор |
Костюмы и грим
| Serge Morache | Assistant Hairstylist |
| Gillian Chandler | Key Makeup Artist |
| Benjamin Robin | Hairstylist |
| Jocelyne Bellemare | Makeup Department Head |
| Ronald J. Rolfe | Assistant Hairstylist |
| Renée April | Costume Design |
Режиссура
| Sylvain Arseneault | Third Assistant Director |
| Normand Bourgie | Third Assistant Director |
| Michael A. Williams | First Assistant Director |
| Sean Dwyer | Second Assistant Director |
| Джозеф Сарджент | Режиссёр |
Монтаж
| Debra Karen | Монтажёр |
Продюсирование
| Norman Henry | Production Manager |
| Aaron Spelling | Исполнительный продюсер |
| E. Duke Vincent | Исполнительный продюсер |
| Josette Perrotta | Unit Production Manager |
| Josette Perrotta | Associate Producer |
| David W. Rintels | Продюсер |
| François Sylvestre | Unit Manager |
| Ken Gord | Executive In Charge Of Production |
Звук
| Mason Daring | Композитор |
Сценарий
| Peter Wyden | Book |
| David W. Rintels | Teleplay |