Based on true events surrounding the creation of the atomic bomb, this drama follows the complicated relationship between physicist Leo Szilard, scientist J. Robert Oppenheimer and Gen. ... See full summary »



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Cast overview, first billed only:
Dr. Arthur Compton
Anne Twomey ...
Ron Frazier ...
Bernie McInerney
John Pielmeier ...


Based on true events surrounding the creation of the atomic bomb, this drama follows the complicated relationship between physicist Leo Szilard, scientist J. Robert Oppenheimer and Gen. Leslie Groves. Assigned to oversee the project, Groves chooses Oppenheimer to build the historic bomb. But, when World War II inspires the government to use the weapon, Szilard reconsiders his opinions about atomic warfare. Written by Jwelch5742

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Drama | History






Release Date:

5 March 1989 (USA)  »

Also Known As:

A nap  »

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Aspect Ratio:

1.33 : 1
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Did You Know?


At the time this film was made, Michael Tucker and Richard Dysart were well-known for their roles in L.A. Law (1986). See more »


Near the first of the film, where General Groves is observing some of the chemistry and physics put on the blackboard by Dr. Vincent (played by Fritz Buchinger), an error is shown with Vincent making several entries, two to be culminating: ten to the 23rd power, only supposedly Vincent makes an error and shows in the second equation put up in rapid succession, "10 to the 24th." This was done seemingly by the filmmakers so General Groves could then point out that he had been following the mathematics and as a show of his prowess, he announces that he did not see "How in the second equation the formula shows ten to the 24th." This then permits his speech about having ten years of postgraduate education which he believes is equivalent to two PhD's. The mathematical equation Dr. Vincent is citing is the factor of Avogadro's Law relating to the mass of a gas which is 6.023 X 10 to the 23rd. This is a factor taught in Chemistry 101. See more »


[after an experiment proving the feasibility of a chain reaction in uranium]
Leo Szilard: The world is headed for trouble. The world is headed for grief.
See more »

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User Reviews

Truthful movie about the nuclear war.
30 June 2012 | by (Spain) – See all my reviews

TV Movie about the creation and use of the atomic bomb in World war II, that is impeccably well researched, detailed, inteligently made and graced by an All-Star collection of secondary actors.

Unlike many north American movies and docs, Day One avoids patriotism (in fact it tilts against the use of the bomb) or the temptation of proposing Oppenheimer as a martir. Instead, Oppenheimer's real life ambiguity is represented perfectly. He doesn't want to betray a friend that was investigated for communism but he does it. He thinks about using the bomb as a demonstration at some point but turns into the opposite side: arguing that it may fail or give the Japanese a chance to prepare for an eventual attack. History will never fully understand the person that was Oppenheimer.

Another key figure is Leslie Groves. He's a perfectly efficient militar who runs every possible detail of what happens in Los Alamos. He's the force behind the making of the bomb and he makes it sure that it will be used. Brian Dennehy portrays Groves' old fashioned strenght, intelligence and single-mindness perfectly.

The third most important person here is Szilard, a physicist whose ideas were key for the development of the bomb but who turned against it's use against Japan (or any other nation) asking President Truman not to deploy the bomb over Japan. He's perfectly captured by Michael Tucker who even resembles the real Szilard. Szilard proposed a demonstration (deploy the bomb without killing anyone to show it's power) that was rejected.

The movie poses the debate: Should the US of the time be accountable for the use of the bomb?

I myself see arguments for both sides:

On one hand, the atomic bomb had to happen. It was a natural conclussion of the ever inspiring scientific and physic discoveries at the start of last century. Also, throwing it as a demonstration would have indeed been risky if it failed. The Japanese military was scattered and divided at the time, and it's difficult to negotiate with a bubble of voices. Civilians (kids and women) are killed with other weapons too. They were in Dresden for example. The bomb ended the war.

On the other hand the bomb had cost too much money not to use it. They wanted to know what was it's devastation power. They didn't try a serious effort to negotiate a surrender with Japan. They picked cities where the devastation could be bigger. The Japanese were weak at the time, they may have been defeated by other medium.

The movie also offers some curiosities as Kyoto not being one of the bombed cities due to the fact that one military authoriy respected it's traditions and Arts too much and the division between the Navy wanting to give fair play to the Japanese (with at least some hours-long warning) and the Army just wanting to bomb the hell ouf it.

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