Alien: Romulus' weird Ian Holm CGI gets fixed for Disney+: Here's 5 other digital resurrections that weren't so lucky
One of the few times filmmakers have got away with it is with Oliver Reed in Ridley Scott’s Gladiator. Reed died during filming, forcing the production to finish off his scenes with body doubles and CGI. And, 25 years on, the CGI reliant scenes are not actually too obvious.