Guy Busick is an American film and television screenwriter best known for his collaborations with directors Matt Bettinelli-Olpin and Tyler Gillett, including Ready or Not (2019), Scream (2022), Scream VI (2023), and Abigail (2024).
In 2016, Busick began his writing career by drafting the story for the thriller film Urge. He transitioned to television by writing episodes of Stan Against Evil and Castle Rock. In 2019, he began his series of collaborations with directors Matt Bettinelli-Olpin and Tyler Gillett by drafting the screenplay for the horror film Ready or Not. In 2020, he continued his collaborations with Bettinelli-Olpin and Gillett with the horror film Reunion, though the film has yet to begin production.
The following year, he gained notability from writing the script for the slasher revival film Scream (2022), and would also write the sequels Scream VI (2023) and Scream 7 (2026). In October 2024, it was announced he that he would write to Ready or Not. He also co-wrote the sixth film of the Final Destination series, Final Destination Bloodlines.
His work on Ready or Not was nominated for best screenplay at the 2020 Fangoria Chainsaw Awards. For his work on Scream, he was nominated at the 47th Saturn Awards for Best Writing.