Simple google:
“Christopher Nolan did not use computer graphics (CGI) for his film The Odyssey (2026 film), choosing instead to rely on practical effects, custom mechanical builds, and in-camera technique
- Cyclops: Built as a massive, fully mechanical 60-foot practical puppet operated on location inside a real cave rather than generated via computer graphics.
-The Fall of Troy: Shot entirely with zero green screens or digital crowds, utilizing a large-scale physical set, hand-built stone structures, and real performers.Transformations & Effects: Relied on custom physical prosthetics for character transformations instead of digital