The decision-making was critical in the fate of the war and the course of history.
Additional casting is underway, with Studiocanal handling world sales.
The wrong conditions could devastate the largest ever seaborne invasion, while any delay risks German intelligence catching on.
Andrew ScottJeff Spicer/Getty Images
The film will concentrate on the pressure-cooker of the decision-making but also capture the scale of the landings.
