Star Wars Rogue One - CGI Tarkin Explained

Rogue One: A Star Wars Story CGI revealed! Rogue One featured cameos from characters in Star Wars A New Hope, including Grand Moff Tarkin (the late Peter Cushing) and another surprise character, with CGI and visual effects from George Lucas’ company Industrial Light & Magic. Spoilers below! Rogue One ends with the reveal of Princess Leia (Carrie Fisher) as she appeared in the original Star Wars in 1977. How did Rogue One pull off this effect? And how did the movie feature Tarkin in several scenes after Pe