It is directed by Zach Lipovsky and Adam Stein and written by Guy Busick and Lori Evans Taylor, based on a story developed by them and Jon Watts.

It stars Kaitlyn Santa Juana, Teo Briones, Richard Harmon, Owen Patrick Joyner, Rya Kihlstedt, Anna Lore, Brec Bassinger, and Tony Todd, who reprises his role as William Bludworth.

[2][3] In March 2020, series producer Craig Perry said the film would be set "in the world of first responders" and feature EMTs, firefighters, and police officers.

[6] In January 2022, HBO Max announced it would distribute the film, Jon Watts joined the project as a producer, and Taylor was confirmed to have written the screenplay alongside Guy Busick.

[13] Principal photography was scheduled to take place in Vancouver, British Columbia, from July to October 2023,[14] but in mid-July, production was delayed due to the SAG-AFTRA strike.