For years, they have been attaching Fred Astaire to vacuum cleaners, and tweaking people to look older or younger for a few minutes, frequently on the small screen, but now they are out to make entire movies with photo-realistic de-aging. This is a challenge that also brings problems where reality blurs, and we need to question even more. With deepfake videos also abounding, this is going to be an interesting road ahead.

Successful youthful versions of Robert De Niro in ‘The Irishman’ and Will Smith in ‘Gemini Man’ mark the next visual effects frontier for Hollywood.