THE SUBSTANCE Reviewed by GREG KING Director: Coralie Fargeat Stars: Demi Moore, Margaret Qualley, Dennis Quaid, Yann Bean, Tom Morton, Hugo Diego Garcia, Robin Greer. This is sure to be one of the most heavily discussed films of 2024. It doesn’t just dip its toe into the murky world of the body horror subgenre that is the preserve of filmmakers like David Cronenberg, but it dives right in head first. The …