"The digitally recreated Grand Moff Tarkin and Young Princess Leia in Rogue One were unsettling and creepy for some Star Wars fans. But that technology is almost two years old and only improving at an expedient rate. The next time an actor gets digitally inserted into a Star Wars movie, it's gong to be a lot harder to tell the difference. And before long, the line will be completely burred. Soon, Lucasfilm and Disney could have the potential to create a whole Star Wars movie featuring an authentic young Han Solo, Luke Skywalker and Princess Leia, which practical effects built around them. And this will be entirely possible, even for Carrie Fisher, as Lucasfilm has confirmed they have digital clones of all Star Wars actors both young and old."