Cast of
Day One

About Day One

Hungarian physicist Leo Szilard leaves Europe, eventually arriving in the United States. With the help of Einstein, he persuades the government to build an atomic bomb. The project is given to no-nonsense Gen. Leslie Groves who selects physicist J. Robert Oppenheimer to head the Los Alamos Laboratory in New Mexico, where the bomb is built. As World War II draws to a close, Szilard has second thoughts about atomic weapons, and policy makers debate how and when to use the bomb.

Full Cast of Day One

Michael Tucker
plays Leo Szilard

Hume Cronyn
plays James F. Byrnes

Richard Dysart
plays President Harry S. Truman

Barnard Hughes
plays Henry Stimson

John McMartin
plays Dr. Arthur Compton

David Ogden Stiers
plays Franklin D. Roosevelt

Anne Twomey
plays Kitty Oppenheimer

Ron Frazier
plays Colonel Pash

Olek Krupa
plays Edward Teller

John Pielmeier
plays Seth

Ken Pogue
plays Dwight D. Eisenhower

Gary Reineke
plays Groves's Commanding Officer

John Seitz
plays Ralph A. Bard

Ester Spitz
plays Trude Weiss

Ron White
plays Colonel Nichols

Stephan Balint
plays Eugen Wigner

Peter Boretski
plays Albert Einstein

Vlasta Vrana
plays Hans Bethe

George Popovich
plays Samuel Goudsmit

Lorne Brass
plays Klaus Fuchs

Michael Sinelnikoff
plays Lord Rutherford

Graham Haley
plays Haakon Chevalier

Kliment Denchev
plays Michael Polanyi

Diana Fajrajsl
plays Ilse Polanyi

Timothy Webber
plays Colonel Lansdale

Harry Standjofski
plays Robert Wilson

Lia Sargent
plays Mrs. Wisnovsky

David Gow
plays Jack Wisnovsky

Michael Farrell
plays Shapp

Isabelle Mejias
plays Mrs. Trowbridge

Jonathan Wise
plays Robert Serber

George R. Robertson
plays Ed Condon

Dee McCafferty
plays William 'Deke' Parsons

Robert Morelli
plays T. O. Jones

Jon Baggaley
plays James Tuck

David Bolt
plays Harry Gold

David Ferry
plays Army Major

Heinar Pillar
plays Fleischmann

François Klanfer
plays Haagen Kistiakowski

Joel Miller
plays George Kistiakowski

Michael J. Reynolds
plays Kenneth Bainbridge

Ed McGibbon
plays William D. Leahy

Nicholas Kilbertus
plays Paul Tibbets

Joe Cazalet
plays Air Force Guard

Scott Thomson
plays Chemist

Bob Clout
plays Alfred MacCormack

Roland Hewgill
plays Army General

Stan Gibbons
plays John J. McCloy

Terrence Labrosse
plays Allan Dulles

Delise Alison
plays London Pedestrian

Alex Guard
plays British Jr. Officer

Philip Spensley
plays British Sr. Officer

Frederick Neumann
plays Alexander Sachs

Norris Domingue
plays General Pa Watson

Steve Barry
plays Los Alamo Scientist (uncredited)

Romano Orzari
plays Leo Szilard's Prime Scientist (uncredited)


Crew of Day One