

Day One (1989)
This day will go down in history as a black mark against mankind.
Plot Summary
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 & Characters

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
Director & Crew
Joseph Sargent
Director
Where to Watch Day One Online
You can currently stream Day One online or watch it in HD via the link below.
🎬 Watch Day One FreeFrequently Asked Questions
Where can I watch Day One online?
Day One (1989) is available to stream on various platforms. You can also watch it online via our Watch Online button.
What is the IMDb rating of Day One?
It has an IMDb rating of 6.2/10 based on 9 votes.
Who directed Day One?
Day One was directed by Joseph Sargent and released in 1989.
How long is Day One?
Day One has a runtime of 2 hours and 21 minutes.
Movie Details
- Release Date
- 1989-05-12
- Status
- Released