The visual effects company incorporated state-of-the-art digital doctoring so that Grand Moff Tarkin and Princess Leia Organa could appear in the movie as they looked in 1977’s A New Hope.
In it, reporter Clayton Sandell visits ILM headquarters to interview various employees who worked on Rogue One, including Chief Creative Officer John Knoll and members of his team.
After Rogue One‘s premiere, many have been curious to see how ILM achieved this, and some details about their methods have been revealed in the weeks since.
It remains one of the most arduous tasks even with all the modern technology, since people can easily spot anything “off” about an artificial face.