When Paul Walker tragically passed away halfway through filming Furious 7, Weta Digital were called upon to carry out the sensitive task of completing Paul’s performance. Relying on a combination of methods such as referencing previous footage, doing body scans of Paul’s brothers and some meticulous compositing, Weta Digital enabled Paul’s legacy to live on.
We tried to keep as true to Paul as we could, in whatever way we could.
Joe Letteri in fxguide