Fat Man and Little Boy

Пол Ньюман

Gen. Leslie R. Groves

Двайт Шультц

J. Robert Oppenheimer

Бонні Беделія

Kitty Oppenheimer

Джон Кʼюсак

Michael Merriman

Лора Дерн

Kathleen Robinson

Ron Frazier

Peter de Silva

Джон Мак-Ґінлі

Richard Schoenfield

Наташа Річардсон

Jean Tatlock

Рон Вовтер

Jamie Latrobe

N/A

Michael Brockman

William "Deke" Parsons

Del Close

Dr. Kenneth Whiteside

Джон Консідайн

Robert Tuckson

Allan Corduner

Franz Goethe

N/A

Joe D'Angerio

Seth Neddermeyer

Jon DeVries

Johnny Mount

James Eckhouse

Robert Harper

Тодд Філд

Robert Wilson

Mary Pat Gleason

Dora Welsh

Кларк Ґреґґ

Douglas Panton

Péter Halász

George Kistiakowsky

N/A

Gerald Hiken

Leo Szilard

Arthur Holden

Oakridge Doctor

Ед Лотер

Whitney Ashbridge

N/A

Donald MacKechnie

James Tuck

Медісон Мейсон

Boris Pash

Krzysztof Pieczyński

Otto Frisch

Don Pugsley

Bronston

Logan Ramsey

Brehon Somervell

Фред Томпсон

Melrose Hayden Barry

Jim True-Frost

Donald Hornig

N/A

Barry Yourgrau

Edward Teller

N/A

Marek Alboszta

Scientist

N/A

Steven Baigelman

Dr. Avenell

N/A

Frank Benettieri Jr.

Messenger

N/A

Roger Cubicciotti

Frank Oppenheimer

N/A

Franco Cutietta

Enrico Fermi

N/A

Robert Peter Gale

Dr. Louis Hempelman

N/A

Wesley Harrison

Peter Oppenheimer

N/A

Brent Harrison

Peter Oppenheimer

N/A

Tom McFarlane

Scientist

N/A

David C. Parnes

Raincoat Man

N/A

Allen Poirson

Harold McDonald

N/A

David Politzer

Robert Serber

N/A

Bill Rubenstein

Times Reporter

Ken Strausbaugh

Observation Officer

N/A

Walter Sullivan

Henry Stimson

N/A

Brian Wandell

Dennis Talmudge

N/A

John Williams

Mack Stoddard

Walker Edmiston

(voice)

Matthew Faison

(voice)

Stan Jones

(voice)

Алан Оппенгаймер

(voice)