Day One
1989, English. Directed by Joseph Sargent.
This day will go down in history as a black mark against mankind.
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.
- Runtime
- 2h 21m
- Post-credits
- None listed
- Language
- English
- Rated
- Check local
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Where to watch Day One
Day One isn’t streaming on any OTT platform in India yet; it released on 12 May 1989.
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Cast & crew
- Joseph SargentDirector
- Brian DennehyGen. Leslie Groves
- David StrathairnJ. Robert Oppenheimer
- Michael TuckerLeo Szilard
- Hume CronynJames F. Byrnes
- Richard DysartPresident Harry S. Truman
- Hal HolbrookGen. George Marshall
- Barnard HughesHenry Stimson
- John McMartinDr. Arthur Compton
- David Ogden StiersFranklin D. Roosevelt
- Anne TwomeyKitty Oppenheimer
- Lawrence DaneCast
- Ron FrazierColonel Pash
Details
- Released
- 12 May 1989
- Country
- Canada, United States of America
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Day One: quick answers
Is Day One worth watching?
Day One doesn’t have enough ratings for a verdict yet.
How long is Day One?
Day One runs 141 minutes (2h 21m).
Does Day One have a post-credits scene?
None is listed for Day One. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
Day One parents guide: is it suitable for kids?
No age rating is listed for Day One yet.
Which OTT platform is Day One on?
Day One isn’t streaming on any OTT platform in India yet; it released on 12 May 1989. (Checked 30 October 2026.)
What movies are like Day One?
If you liked Day One, try The Immortal Life of Henrietta Lacks, The Miniaturist, Oslo.
Who directed Day One?
Day One (1989) was directed by Joseph Sargent and stars Brian Dennehy, David Strathairn, Michael Tucker.