John Knoll Quotes
It's definitely an issue if the actor has passed away without stating any intention or desire about how his or her likeness should be dealt with. Then it falls to their estate. That's a problem that will start solving itself. Now the technology exists, and actors are aware of this and can make their wishes known.
Knoll, John. Interview by Gwynne Watkins. "'Rogue One' VFX Chief John Knoll on Tarkin, Leia, and the Ethics of Digital Resurrection." Yahoo! Entertainment, 9 Jan. 2017.
John Knoll is an American visual effects supervisor and chief creative officer (CCO) at Industrial Light & Magic (ILM). One of the original creators of Adobe Photoshop (along with his brother, Thomas Knoll), he has also worked as visual effects supervisor on the Star Wars prequels and the 1997 special editions of the original trilogy. He also served as ILM's visual effects supervisor for Star Trek Generations and Star Trek: First Contact, as well as the Pirates of the Caribbean series. Along with Hal Hickel, Charles Gibson and Allen Hall, Knoll and the trio's work on Pirates of the Caribbean: Dead Man's Chest earned them the Academy Award for Best Visual Effects.