Gemma, is a main protagonist of the 2023 sci-fi horror film M3GAN. She is a robot builder and Cady's aunt who raised by her AI human robot M3gan babysitting her. She is portrayed by Allison Williams
Gemma (M3GAN) has been suggested to play 18 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.
