Rogue One: A Star Wars Story director Tony Gilroy has revealed the revolutionary technology that recreated Peter Cushing's Grand Moff Tarkin has actually been discarded. Industrial Light & Magic used revolutionary CGI technology to bring back the late Peter Cushing as Grand Moff Tarkin in Rogue One, and it was widely seen as kicking off a massive ethical debate. It's still controversial to this day, with Lucasfilm sued over the Rogue One cameo earlier this year.

Speaking to Empire Magazine, though, Rogue One director Tony Gilroy has revealed that technology is now massively out of date.

"What's interesting is, all of the technology that went into Tarkin, that was like a Manhattan Project. All of that technology has been discarded. The moment machine-learning came in, they don't do it that way at all [now]. It was like building steam-cars and building the best steam-car you could possibly ever do - then someone comes along and says,...