Cast

Brian Dennehy

Gen. Leslie Groves

David Strathairn

J. Robert Oppenheimer

Michael Tucker

Leo Szilard

Hume Cronyn

James F. Byrnes

Richard Dysart

President Harry S. Truman

Hal Holbrook

Gen. George Marshall

Barnard Hughes

Henry Stimson

John McMartin

Dr. Arthur Compton

David Ogden Stiers

Franklin D. Roosevelt

Anne Twomey

Kitty Oppenheimer

Crew

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Josette Perrotta

Associate Producer (Production)

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David W. Rintels

Producer (Production)

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Kees Van Oostrum

Director of Photography (Camera)

Jocelyne Bellemare

Makeup Department Head (Costume & Make-Up)

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Ronald J. Rolfe

Assistant Hairstylist (Costume & Make-Up)

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David W. Rintels

Teleplay (Writing)

Aaron Spelling

Executive Producer (Production)

Mason Daring

Original Music Composer (Sound)

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Debra Karen

Editor (Editing)

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Guy Lalande

Art Direction (Art)