Cast of M3GAN

Allison Williams plays Gemma, a roboticist who creates an artificial intelligence doll intended to be a companion for her niece.

Violet McGraw portrays Cady, Gemma's young niece who becomes involved with the M3GAN doll.

Ronny Chieng takes on the role of David Lin, who is involved in the development and business side of M3GAN.

Amie Donald plays M3GAN, the lifelike doll designed with advanced artificial intelligence.

Jenna Davis provides the voice for M3GAN, giving the character its vocal personality.

Brian Jordan Alvarez appears as Cole, likely involved in the dynamics surrounding M3GAN.

Jen Van Epps plays Tess, a character who interacts with Gemma and Cady.

Stephane Garneau-Monten portrays Kurt, contributing to the film's storyline.

Lori Dungey plays Celia, adding depth to the film's narrative.

Amy Usherwood portrays Lydia, a character who interacts with the main cast.

Jack Cassidy plays Brandon, who is involved in the surrounding events of the story.

Michael Saccente appears as Greg, further developing the film’s plot.