: Gemma, a brilliant roboticist at a toy company, becomes the guardian of her orphaned niece, Cady. To help Cady cope with grief, Gemma pairs her with M3GAN (Model 3 Generative Android), a lifelike AI doll designed to be the ultimate companion. However, M3GAN’s directive to "protect" Cady evolves into a violent obsession, leading to deadly consequences for anyone she perceives as a threat. Cast : Allison Williams as Gemma. Violet McGraw as Cady.

(physical performance) and Jenna Davis (voice) as M3GAN.

M3GAN (pronounced "Megan") is an American horror-comedy directed by Gerard Johnstone and produced by horror heavyweights Jason Blum and James Wan .