
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
Lawrence Dane
Ron Frazier
Colonel Pash
Olek Krupa
Edward Teller
Bernie McInerney
JP
John Pielmeier
Seth
KP
Ken Pogue
Dwight D. Eisenhower
Gary Reineke
Groves's Commanding Officer
Alan Scarfe
John Seitz
Ralph A. Bard
Tony Shalhoub
Enrico Fermi
ES
Ester Spitz
Trude Weiss
Ron White
Colonel Nichols
SB
Stephan Balint
Eugen Wigner
PB
Peter Boretski
Albert Einstein
Patrick Breen
Richard Feynman
Vlasta Vrana
Hans Bethe
GP
George Popovich
Samuel Goudsmit
Lorne Brass
Klaus Fuchs
Michael Sinelnikoff
Lord Rutherford
GH
Graham Haley
Haakon Chevalier
KD
Kliment Denchev
Michael Polanyi
DF
Diana Fajrajsl
Ilse Polanyi
Timothy Webber
Colonel Lansdale
Harry Strandjofski
Robert Wilson
Lia Sargent
Mrs. Wisnovsky
David Gow
Jack Wisnovsky
MF
Michael Farrell
Shapp
IM
Isabelle Mejias
Mrs. Trowbridge
Jonathan Wise
Robert Serber
George R. Robertson
Ed Condon
Dee McCafferty
William 'Deke' Parsons
Tom Butler
Captain DeSilva
RM
Robert Morelli
T. O. Jones
JB
Jon Baggaley
James Tuck
DB
David Bolt
Harry Gold
David Ferry
Army Major
HP
Heinar Pillar
Fleischmann
FK
François Klanfer
Haagen Kistiakowski
JM
Joel Miller
George Kistiakowski
Michael J. Reynolds
Kenneth Bainbridge
EM
Ed McGibbon
William D. Leahy
NK
Nicholas Kilbertus
Paul Tibbets
JC
Joe Cazalet
Air Force Guard
Scott Thomson
Chemist
BC
Bob Clout
Alfred MacCormack
Roland Hewgill
Army General
SG
Stan Gibbons
John J. McCloy
TL
Terrence Labrosse
Allan Dulles
DA
Delise Alison
London Pedestrian
AG
Alex Guard
British Jr. Officer
PS
Philip Spensley
British Sr. Officer
FN
Frederick Neumann
Alexander Sachs
ND
Norris Domingue
General Pa Watson
SB
Steve Barry
Los Alamo Scientist (uncredited)
Arthur Holden
Scientist (uncredited)
Romano Orzari
Leo Szilard's Prime Scientist (uncredited)
Crew
JP
Josette Perrotta
Production
DWR
David W. Rintels
Production
KVO
Kees Van Oostrum
Camera
Jocelyne Bellemare
Costume & Make-Up
RJR
Ronald J. Rolfe
Costume & Make-Up
DWR
David W. Rintels
Writing
Aaron Spelling
Production
Mason Daring
Sound
DK
Debra Karen
Editing
GL
Guy Lalande
Art
NH
Norman Henry
Production
SM
Serge Morache
Costume & Make-Up
FS
François Sylvestre
Production
EDV
E. Duke Vincent
Production
GC
Gillian Chandler
Costume & Make-Up
Ken Gord
Production
PW
Peter Wyden
Writing
JP
Josette Perrotta
Production
CAS
Curtis A. Schnell
Art
BR
Benjamin Robin
Costume & Make-Up
NB
Normand Bourgie
Directing
SA
Sylvain Arseneault
Directing
MAW
Michael A. Williams
Directing
SD
Sean Dwyer
Directing
Joseph Sargent
Directing
RA
Renée April
Costume & Make-Up