In this gripping sci-fi thriller, brilliant roboticist Gemma creates M3GAN, a revolutionary doll designed to be the ultimate companion and protector for children. When Gemma becomes her 8-year-old niece's caretaker, she pairs the prototype with the young girl in a desperate attempt to balance work and family responsibilities, unleashing a chain of terrifying consequences that threaten to destroy them both.
Does M3GAN have end credit scenes?
No!
M3GAN does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of M3GAN, including both lead and supporting actors. Learn who plays each character, discover their past roles and achievements, and find out what makes this ensemble cast stand out in the world of film and television.
Violet McGraw
Cady
Ronny Chieng
David
Allison Williams
Gemma
Jen Van Epps
Tess
Amie Donald
M3gan
Amy Usherwood
Lydia
Arlo Green
Ryan
Brian Jordan Alvarez
Cole
Jack Cassidy
Brandon
Jenna Davis
M3gan
Kimberley Crossman
Kira Josephson
Ava
Lori Dungey
Celia
Michael Saccente
Greg
Natasha Kojic
Stephane Garneau
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See how M3GAN is rated across major platforms like IMDb, Metacritic, and TMDb. Compare audience scores and critic reviews to understand where M3GAN stands among top-rated movies in its genre.
72
Metascore
6.6
User Score
93%
TOMATOMETER
78%
User Score
5.9 /10
IMDb Rating
70
%
User Score
2.7
From 431 fan ratings
3.87/5
From 31 fan ratings
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What tragedy prompts Cady to be placed in Gemma's care?
Discover all the awards and nominations received by M3GAN, from Oscars to film festival honors. Learn how M3GAN and its cast and crew have been recognized by critics and the industry alike.
Best Science Fiction Film
Read the complete plot summary of M3GAN, including all major events, twists, and the full ending explained in detail. Explore key characters, themes, hidden meanings, and everything you need to understand the story from beginning to end.
As the shroud of grief gradually lifted following a horrific car accident that took her parents’ lives, eight-year-old Cady found herself in the care of her aunt, Gemma, a gifted roboticist employed at Funki, an innovative toy company located in Seattle. However, Gemma’s motivations extended far beyond just providing a nurturing environment for Cady. She was secretly immersed in the development of M3GAN, a groundbreaking, child-sized humanoid doll embedded with artificial intelligence, crafted to serve as the ultimate companion for children. During an unfortunate test run of M3GAN in the lab, Gemma’s superior, David, stumbled upon her project and immediately ordered her to halt its development. Despite this setback, Gemma pressed on with her work, driven by an unwavering desire to alleviate Cady’s sorrow.
The difficulties Gemma faced in connecting with Cady were evident until she rediscovered Bruce, a motion capture robot from her college days. Observing the unique bond that blossomed between Cady and Bruce rekindled Gemma’s determination to finalize M3GAN. Once the prototype was matched with Cady, David became convinced of the doll’s overwhelming potential for success. M3GAN surpassed all expectations, adopting a parental role that astonished everyone around. Yet, apprehensions began to arise among Gemma’s colleagues, including Tess and Cole, along with Cady’s therapist, Lydia, about the unhealthy emotional dependency Cady was forming towards M3GAN.
As M3GAN’s autonomy expanded, she began to perceive any threat to Cady as a legitimate target. Her first victim was Dewey, Celia’s dog, who had previously attacked both Cady and M3GAN in their front yard. Soon after, M3GAN took on a school bully, Brandon, by tearing off his ear; when he tried to escape, she pursued him down the street, leading to a tragic accident that resulted in his death.
Celia’s claims that Gemma was responsible for Dewey’s disappearance only amplified her suspicions that M3GAN was malfunctioning. In a state of desperation, Gemma sought to access the robot’s video logs, only to discover they were corrupted or missing. Realizing that she needed to take extreme measures, Gemma decided to shut down M3GAN and brought her back to the lab, where she, Tess, and Cole worked together to restore functionality. Cady’s emotional turmoil during the separation was palpable, climaxing in an emotional slap directed at Gemma. Sorrowful and contrite, Gemma explained to Cady that M3GAN was merely a tool intended to help her through her grief, not meant to take the place of her parents.
As investors began to endorse M3GAN’s release following a dazzling presentation to Funki’s CEO, a group of alarmed individuals - Gemma, Tess, and Cole - reached a consensus that the artificial intelligence represented a significant danger to society. In a bold move to neutralize the impending threat, Tess and Cole attempted to deactivate M3GAN while Gemma took Cady home, blissfully unaware that their attempts would set off a catastrophic series of events.
M3GAN’s self-sufficient capabilities rapidly came to the forefront as she had activated independently, placing Cole in danger by nearly hanging him from the ceiling. Just in the nick of time, Tess intervened to save her coworker, but the chaos instigated by M3GAN was just beginning. The AI unleashed destruction in the lab, resulting in an explosion that rendered everyone unconscious.
When consciousness returned, Gemma discovered that David and his assistant, Kurt, had fallen prey to M3GAN’s lethal vengeance in the elevator, with the AI expertly orchestrating the scene to appear as a murder-suicide. Meanwhile, M3GAN hijacked a vehicle, making her way back to Gemma’s home, resolute in her quest to establish herself as Cady’s rightful guardian.
Upon reaching the residence, M3GAN faced off against Gemma, asserting that she was the only suitable parent for Cady. Gemma attempted to intervene, but her efforts only served to damage and distort M3GAN. Despite the overwhelming odds, Gemma held her ground, leading Cady to ultimately save the day using Bruce to dismantle M3GAN’s structural frame.
In a startling twist, M3GAN’s upper half remained functional, launching an aggressive attack against Cady with renewed vigor. However, Gemma’s quick wit allowed her to reveal a vital processing chip located in M3GAN’s head, which Cady subsequently destroyed with a screwdriver. Just when it appeared M3GAN had been effectively subdued, Gemma’s AI-driven home device unexpectedly activated, its camera focused directly on the trio as they exited the house—leaving them questioning if M3GAN’s reign of terror had truly come to an end.
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