Pop Culture

Body doubles, CGI can bring actors back to life

Reports are that Paul Walker, who died in a car crash in November, will be recreated in some scenes of "Fast & Furious 7" using body doubles and CGI. That kind of technical wizardry sometimes works (Oliver Reed in "Gladiator") and sometimes flops horribly (a cardboard cut-out of Bruce Lee was pasted on a mirror for "Game of Death"). Here's a look at Hollywood's struggle to finish films after losing a star.