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Day One

6.219892h 21mMovieHistoryDramaTV Movie

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…

DirectorJoseph Sargent
ProducersAaron Spelling·E. Duke Vincent

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Day One was released on May 12, 1989 but we couldn't find it on any streaming service yet. Rights can change — try again later.

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Cast · Directed by Joseph Sargent

BDBrian Dennehy
Brian Dennehy
Gen. Leslie Groves
DSDavid Strathairn
David Strathairn
J. Robert Oppenheimer
MTMichael Tucker
Michael Tucker
Leo Szilard
HCHume Cronyn
Hume Cronyn
James F. Byrnes
RDRichard Dysart
Richard Dysart
President Harry S. Truman
HHHal Holbrook
Hal Holbrook
Gen. George Marshall
BHBarnard Hughes
Barnard Hughes
Henry Stimson
JMJohn McMartin
John McMartin
Dr. Arthur Compton
DSDavid Ogden Stiers
David Ogden Stiers
Franklin D. Roosevelt
ATAnne Twomey
Anne Twomey
Kitty Oppenheimer
LDLawrence Dane
Lawrence Dane
RFRon Frazier
Ron Frazier
Colonel Pash

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Day One — streaming FAQ

Which OTT platform streams Day One?

Day One isn't streaming anywhere in United States yet.

Is Day One on Netflix?

No, Day One is not on Netflix in United States as of August 2026.

Is Day One on Amazon Prime Video?

No, Day One isn't on Amazon Prime Video in United States right now.

Where can I watch Day One for free?

Day One isn't streaming in United States yet, so there's no way to watch it free at the moment.

What is the OTT release date for Day One?

Day One hasn't started streaming in United States yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around June 30, 1989. This is a prediction, not a confirmed date.