Day One

Cast66

• 

  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

• 

  Lawrence Dane

• 

  Ron Frazier

  Colonel Pash

• 

  Olek Krupa

  Edward Teller

• 

  Bernie McInerney

• 

  John Pielmeier

  Seth

• 

  Ken Pogue

  Dwight D. Eisenhower

• 

  Gary Reineke

  Groves's Commanding Officer

• 

  Alan Scarfe

• 

  John Seitz

  Ralph A. Bard

• 

  Tony Shalhoub

  Enrico Fermi

• 

  Ester Spitz

  Trude Weiss

• 

  Ron White

  Colonel Nichols

• 

  Stephan Balint

  Eugen Wigner

• 

  Peter Boretski

  Albert Einstein

• 

  Patrick Breen

  Richard Feynman

• 

  Vlasta Vrana

  Hans Bethe

• 

  George Popovich

  Samuel Goudsmit

• 

  Lorne Brass

  Klaus Fuchs

• 

  Michael Sinelnikoff

  Lord Rutherford

• 

  Graham Haley

  Haakon Chevalier

• 

  Kliment Denchev

  Michael Polanyi

• 

  Diana Fajrajsl

  Ilse Polanyi

• 

  Timothy Webber

  Colonel Lansdale

• 

  Harry Strandjofski

  Robert Wilson

• 

  Lia Sargent

  Mrs. Wisnovsky

• 

  David Gow

  Jack Wisnovsky

• 

  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

• 

  Robert Morelli

  T. O. Jones

• 

  Jon Baggaley

  James Tuck

• 

  David Bolt

  Harry Gold

• 

  David Ferry

  Army Major

• 

  Heinar Pillar

  Fleischmann

• 

  François Klanfer

  Haagen Kistiakowski

• 

  Joel Miller

  George Kistiakowski

• 

  Michael J. Reynolds

  Kenneth Bainbridge

• 

  Ed McGibbon

  William D. Leahy

• 

  Nicholas Kilbertus

  Paul Tibbets

• 

  Joe Cazalet

  Air Force Guard

• 

  Scott Thomson

  Chemist

• 

  Bob Clout

  Alfred MacCormack

• 

  Roland Hewgill

  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 (uncredited)

• 

  Arthur Holden

  Scientist (uncredited)

• 

  Romano Orzari

  Leo Szilard's Prime Scientist (uncredited)