Day One (1989)

Cast

• 
  Brian Dennehy
  as Gen. Leslie Groves
• 
  David Strathairn
  as J. Robert Oppenheimer
• 
  Michael Tucker (I)
  as Leo Szilard

• 
  Hume Cronyn
  as James F. Byrnes
• 
  Richard Dysart
  as Harry S. Truman
• 
  Hal Holbrook
  as Gen. George Marshall

• 
  Jon Baggaley
  as James Tuck
• 
  David Bolt
  as Harry Gold
• 
  Peter Boretski
  as Albert Einstein

• 
  Lorne Brass
  as Klaus Fuchs
• 
  Patrick Breen
  as Richard Feynman
• 
  Tom Butler
  as Captain DeSilva

• 
  Bob Clout
  as Alfred MacCormack
• 
  Lawrence Z. Dane
• 
  Norris Domingue
  as General Pa Watson

• 
  David Ferry
  as Army Major
• 
  David Gow
  as Jack Wisnovsky
• 
  Roland Hewgill
  as Army General

• 
  Barnard Hughes
  as Secretary Stimpson
• 
  Olek Krupa
• 
  Bernie McInerney

• 
  John McMartin
• 
  Isabelle Mejias
  as Mrs. Trowbridge
• 
  Robert Morelli
  as T.O. Jones

• 
  Frederick Neumann
  as Alexander Sachs
• 
  Ken Pogue
• 
  Gary Reineke

• 
  Michael J. Reynolds
  as Kenneth Bainbridge
• 
  George R. Robertson
  as Ed Condon
• 
  Alan Scarfe

• 
  Tony Shalhoub
• 
  Michael Sinelnikoff
  as Lord Rutherford
• 
  Philip Spensley
  as British Sr. Officer

• 
  David Ogden Stiers
  as FDR
• 
  Scott Thomson
  as Chemist
• 
  Anne Twomey

• 
  Vlasta Vrana
  as Hans Bethe
• 
  Timothy Webber
  as Colonel Lansdale
• 
  Ron White

• 
  Jonathan Wise
  as Robert Serber
• 
  Ronald C. Frazier
• 
  John Seitz

• 
  Joe Cazalet
  as Air Force Guard
• 
  Stefan Balint
  as Eugen Wigner
• 
  Graham Haley
  as Haakon Chevalier

• 
  Francois Klanfer
  as Haagen
• 
  Terence Labrosse
  as Allan Dulles
• 
  George Popovich
  as Samuel Goudsmit

• 
  Dee McCaffrey
  as William "Deke" Parsons
• 
  John Pielmeier
• 
  Richard A. Dysart

• 
  Ron Frazier

See full cast