DAY ONE

Brian Dennehy

Gen. Leslie Groves

David Strathair...

J. Robert Oppenheime...

Michael Tucker

Leo Szilard

Hume Cronyn

James F. Byrnes

Richard Dysart

President Harry S. T...

Hal Holbrook

Gen. George Marshall

Barnard Hughes

Henry Stimson

John McMartin

Dr. Arthur Compton

David Ogden Sti...

Franklin D. Roosevel...

Anne Twomey

Kitty Oppenheimer

Lawrence Dane

Ron Frazier

Colonel Pash

Olek Krupa

Edward Teller

Bernie McInerne...

John Pielmeier

Seth

Ken Pogue

Dwight D. Eisenhower

Gary Reineke

Groves's Commanding ...

Alan Scarfe

John Seitz

Ralph A. Bard

Tony Shalhoub

Enrico Fermi

Curtis A. Schne...

Direção de Arte

Mason Daring

Original Music Compo...

Norman Henry

Production Manager

Aaron Spelling

Produtor(a) Executiv...

Guy Lalande

Art Direction

Peter Wyden

Book

Debra Karen

Editor(a)

Serge Morache

Assistant Hairstylis...

E. Duke Vincent

Produtor(a) Executiv...

Gillian Chandle...

Key Makeup Artist

Josette Perrott...

Unit Production Mana...

Josette Perrott...

Associate Producer

David W. Rintel...

Produtor(a)

Kees Van Oostru...

Diretor(a) de Fotogr...

Benjamin Robin

Hairstylist

François Sylves...

Unit Manager

Ken Gord

Executive In Charge ...

Jocelyne Bellem...

Makeup Department He...

David W. Rintel...

Teleplay

Ronald J. Rolfe

Assistant Hairstylis...