- Zackary Arthur as Jake Wheeler
- Björgvin Arnarson as Devon Evans
- Alyvia Alyn Lind as Lexy Cross
- Fiona Dourif as Nica Pierce
- Devon Sawa as James Collins
- Brad Dourif as the voice of Chucky
- Jennifer Tilly as Tiffany Valentine
- Lara Jean Chorostecki as Charlotte Collins
- Callum Vinson as Henry Collins
- Jackson Kelly as Grant Collins
- Ayesha Mansur Gonsalves as Melanie Spiegel
- Gil Bellows as Warren Pryce
- Michael Therriault as Spence
Zackary Arthur plays Jake Wheeler, a teenager who is struggling to come to terms with his sexuality. He is targeted by Chucky in season 1 and tries to stop him in season 2.
Björgvin Arnarson plays Devon Evans, Jake’s best friend. He is also targeted by Chucky in season 1 and tries to stop him in season 2.
Alyvia Alyn Lind plays Lexy Cross, Jake’s ex-girlfriend. She is also targeted by Chucky in season 1 and tries to stop him in season 2.
Fiona Dourif plays Nica Pierce, a young woman who has been possessed by Chucky since season 1. She is trying to break free from Chucky’s control in season 3.
Devon Sawa plays James Collins, the President of the United States. He is a new character in season 3.
Brad Dourif voices Chucky, the killer doll. He has been playing the role of Chucky since the first Child’s Play film in 1988.
Jennifer Tilly plays Tiffany Valentine, Chucky’s girlfriend. She has been playing the role of Tiffany since the second Child’s Play film in 1990.
Lara Jean Chorostecki plays Charlotte Collins, the First Lady of the United States. She is a new character in season 3.
Callum Vinson plays Henry Collins, the First Son of the United States. He is a new character in season 3.
Jackson Kelly plays Grant Collins, the Second Son of the United States. He is a new character in season 3.
Ayesha Mansur Gonsalves plays Melanie Spiegel, a new character in season 3.
Gil Bellows plays Warren Pryce, a former detective who is now a private investigator. He is trying to help Nica in season 3.
Michael Therriault plays Spence, a new character in season 3.
This is just the main cast of Chucky season 3. There are many other actors and characters who appear in the show.
I hope this helps!