How do studios bring deceased actors back to the screen?

Digital resurrection is usually a collaboration between a living performance double and a large visual-effects team—not a one-click AI replacement.

A living performer usually supplies the movement and timing, while visual-effects artists build a digital face from scans, archival images, and film references. In Rogue One, Guy Henry performed Tarkin and ILM digitally recreated Peter Cushing’s appearance; a young Leia was also recreated from Carrie Fisher’s 1977 likeness.

Why bringing back a performer takes more than software

A convincing screen return needs three things at once: a believable face, a living performance underneath it, and a reason audiences accept the character’s presence. Visual-effects teams build the face from scans, photographs, and old footage, but the timing, movement, and emotion usually come from a present-day performer. Voice and likeness rights add further layers — which is why these scenes remain major productions, not filters.

What to do, step by step

1. Watch the credits and production reporting for the performance double — their work is the foundation of the scene.
2. Distinguish de-ageing a living actor from recreating someone who has died; the craft and consent questions differ.
3. Notice whether the voice is archival audio, a soundalike performer, or a generated recreation, if the production discloses it.
4. Look for reporting on estate or family involvement before judging whether a use was authorised.
5. Judge performance as well as likeness — a perfect face with lifeless timing breaks the illusion.