Cast & crew
Day One (1989)
Directed by Joseph Sargent
Cast
| Brian Dennehy | Leslie |
| David Strathairn | Oppenheimer |
| Michael Tucker | Leo |
| Hume Cronyn | James |
| Richard Dysart | Harry |
| Hal Holbrook | George |
| John McMartin | Cliveden Compton |
| Barnard Hughes | Stimson |
| David Ogden Stiers | Roosevelt |
| Anne Twomey | Oppenheimer |
| Lawrence Dane | |
| Ron Frazier | Pash |
| Olek Krupa | Edward |
| Bernie McInerney | |
| John Pielmeier | Seth |
| Ken Pogue | Eisenhower |
| Gary Reineke | Police Officer |
| Alan Scarfe | |
| John Seitz | Ralph |
| Tony Shalhoub | Fermi |
| Ester Spitz | Trude Weiss |
| Ron White | Nichols |
| Stephan Balint | Wigner |
| Peter Boretski | Einstein |
| George Popovich | Samuel |
| Patrick Breen | Richard Bailey |
| Vlasta Vrana | Hans |
| Lorne Brass | Fuchs |
| Diana Fajrajsl | Ilse Morrell |
| Michael Sinelnikoff | Rutherford |
| Graham Haley | Haakon Chevalier |
| Kliment Denchev | Michael |
| Timothy Webber | Colonel |
| Harry Standjofski | Goldie Wilson |
| Lia Sargent | Mrs. Dunn |
| David Gow | Jack Bellin |
| Michael Farrell | Shapp |
| Isabelle Mejias | Trowbridge |
| Jonathan Wise | Robert 'Rob' Nelson |
| George R. Robertson | Ed Dillinger / Sark |
| Dee McCafferty | Deke |
| Tom Butler | DeSilva |
| Robert Morelli | Quincy Jones |
| Jon Baggaley | Tuck |
| David Bolt | Harry |
| David Ferry | Army Private |
| Heinar Pillar | Fleischmann |
| François Klanfer | Haagen Kistiakowski |
| Joel Miller | George |
| Michael J. Reynolds | Bainbridge |
| Ed McGibbon | Maitre d' |
| Nicholas Kilbertus | Paul |
| Joe Cazalet | Âme-Force |
| Scott Thomson | McCloy's Chemist |
| Bob Clout | MacCormack |
| Roland Hewgill | Army Private |
| Stan Gibbons | McCloy |
| Terrence Labrosse | Allan Dulles |
| Delise Alison | London |
| Alex Guard | Police Officer |
| Philip Spensley | Sr. Berenguer |
| Frederick Neumann | Sachs |
| Norris Domingue | Watson |
| Steve Barry | Alamo |
| Arthur Holden | (uncredited) |
| Romano Orzari | (uncredited) |
Crew
| Josette Perrotta | Associate Producer |
| David W. Rintels | Teleplay |
| Peter Wyden | Book |
| Mason Daring | Original Music Composer |
| Kees Van Oostrum | Director of Photography |
| Aaron Spelling | Executive Producer |
| E. Duke Vincent | Executive Producer |
| David W. Rintels | Producer |
| Debra Karen | Editor |
| Ken Gord | Executive In Charge Of Production |
| Jocelyne Bellemare | Makeup Department Head |
| Serge Morache | Assistant Hairstylist |
| Ronald J. Rolfe | Assistant Hairstylist |
| Curtis A. Schnell | Production Design |
| Gillian Chandler | Key Makeup Artist |
| Guy Lalande | Art Direction |
| Benjamin Robin | Hairstylist |
| Sean Dwyer | Second Assistant Director |
| Sylvain Arseneault | Third Assistant Director |
| Normand Bourgie | Third Assistant Director |
| Michael A. Williams | First Assistant Director |
| Josette Perrotta | Unit Production Manager |
| Norman Henry | Production Manager |
| François Sylvestre | Unit Manager |
| Joseph Sargent | Director |
| Renée April | Costume Design |