The new body-horror movie "The Substance" is a wild time, It also took co-stars Demi Moore and Margaret Qualley way out of their comfort zones.

Margaret Qualley costars in this gory — like, really gory! — satire about beauty and aging The Substance, a corrosively vicious horror satire with a career-resuscitating turn by Demi Moore, begins with an inspired if not very kind joke: You’re looking down the Hollywood Walk of Fame as a fresh,

Directed and written by Coralie Fargeat, the film follows the story of TV star and aerobics instructor Elisabeth Sparkle (Moore), who is fired from her own show on her 50th birthday by her boss, Dennis Quaid's cartoonishly misogynist TV exec Harvey – a not-even-slightly-subtle iteration of disgraced abuser Harvey Weinstein.

Moore and Qualley give bravura performances, both surely having faced the scrutiny women in Hollywood and the world are under. Moore allows the camera to film closeups of her thighs and the stomach of a woman who has had kids,

"Unfortunately there is no magic boob potion, so we had to glue those on," the actress said of playing her character, Sue, in the body-horror film

The stars of the body horror film hit the red carpet for its L.A. premiere on Sept. 16 Chelsea Lauren/Shutterstock Scout Willis, Tallulah Willis, Demi Moore and Rumer Willis Demi Moore, Margaret Qualley and Dennis Quaid are bringing the scares with their new film,