Day One

Браян Деннегі

Gen. Leslie Groves

Девід Стретейрн

J. Robert Oppenheimer

Майкл Такер

Leo Szilard

Г'юм Кронін

James F. Byrnes

Річард Дайсарт

President Harry S. Truman

Гол Голбрук

Gen. George Marshall

Barnard Hughes

Henry Stimson

Джон Мак-Мартін

Dr. Arthur Compton

Девід Оґден Стірс

Franklin D. Roosevelt

Anne Twomey

Kitty Oppenheimer

Lawrence Dane

Ron Frazier

Colonel Pash

Olek Krupa

Edward Teller

Bernie McInerney

N/A

John Pielmeier

Seth

Ken Pogue

Dwight D. Eisenhower

Gary Reineke

Groves's Commanding Officer

Alan Scarfe

John Seitz

Ralph A. Bard

Тоні Шалуб

Enrico Fermi

N/A

Ester Spitz

Trude Weiss

Ron White

Colonel Nichols

N/A

Stephan Balint

Eugen Wigner

N/A

Peter Boretski

Albert Einstein

Патрік Брін

Richard Feynman

Vlasta Vrana

Hans Bethe

N/A

George Popovich

Samuel Goudsmit

Lorne Brass

Klaus Fuchs

Michael Sinelnikoff

Lord Rutherford

N/A

Graham Haley

Haakon Chevalier

N/A

Kliment Denchev

Michael Polanyi

N/A

Diana Fajrajsl

Ilse Polanyi

Timothy Webber

Colonel Lansdale

Гаррі Стандджофскі

Robert Wilson

Lia Sargent

Mrs. Wisnovsky

David Gow

Jack Wisnovsky

N/A

Michael Farrell

Shapp

Isabelle Mejias

Mrs. Trowbridge

Jonathan Wise

Robert Serber

George R. Robertson

Ed Condon

Dee McCafferty

William 'Deke' Parsons

Tom Butler

Captain DeSilva

N/A

Robert Morelli

T. O. Jones

N/A

Jon Baggaley

James Tuck

N/A

David Bolt

Harry Gold

David Ferry

Army Major

Heinar Piller

Fleischmann

N/A

François Klanfer

Haagen Kistiakowski

N/A

Joel Miller

George Kistiakowski

Michael J. Reynolds

Kenneth Bainbridge

N/A

Ed McGibbon

William D. Leahy

N/A

Nicholas Kilbertus

Paul Tibbets

N/A

Joe Cazalet

Air Force Guard

Scott Thomson

Chemist

N/A

Bob Clout

Alfred MacCormack

Roland Hewgill

Army General

N/A

Stan Gibbons

John J. McCloy

N/A

Terrence Labrosse

Allan Dulles

N/A

Delise Alison

London Pedestrian

N/A

Alex Guard

British Jr. Officer

N/A

Philip Spensley

British Sr. Officer

N/A

Frederick Neumann

Alexander Sachs

N/A

Norris Domingue

General Pa Watson

N/A

Steve Barry

Los Alamo Scientist (uncredited)

Arthur Holden

Scientist (uncredited)

Romano Orzari

Leo Szilard's Prime Scientist (uncredited)