Radon’s Daughters (2026): Cast, Story and Release Details

Prepared by Movies Dock Editorial

Radon’s Daughters is a 2026 drama, horror and fantasy film set during a Día de los Muertos celebration in a uranium-tainted church, where the fates of two New Mexican families collide. Written and directed by Siena Sofia Bergt, the film is presented in English and Spanish.

Radon’s Daughters brings drama, horror and fantasy together in a story rooted in New Mexico and shaped by a Día de los Muertos gathering. Its central conflict begins when two families meet in a church marked by uranium contamination.

Written and directed by Siena Sofia Bergt, the film runs for 1 hour and 49 minutes. MorningStar Angeline, Gracie Gillam, Jonathan Medina and Jasper Keen lead an ensemble cast that includes performers in both family groups.

Radon’s Daughters movie details

Story without spoilers

The film follows two New Mexican families whose paths converge during a Día de los Muertos celebration. The gathering takes place inside a church affected by uranium contamination, creating an unsettling setting for the families’ intertwined fates.

The supplied synopsis establishes the meeting point and the film’s supernatural-leaning premise without revealing how the families are connected or what unfolds during the celebration. Its title and tagline, “Our half-lives will outlive you,” further point toward the importance of radiation and mortality within the story’s framework.

What to expect

Radon’s Daughters is classified as a drama, horror and fantasy film, so its premise combines family-centered conflict with a threatening environment and fantastical elements. The Día de los Muertos setting and uranium-tainted church give the story a distinct cultural and atmospheric foundation.

The film is listed as 1 hour and 49 minutes long and uses both English and Spanish. Beyond its central setup, the available information does not specify the film’s particular scares, visual approach or narrative structure.

Cast and creative team

Siena Sofia Bergt wrote and directed Radon’s Daughters. MorningStar Angeline plays Nita Iglesias, while Gracie Gillam portrays Karin Weiss. Jonathan Medina appears as Isidro Iglesias, and Jasper Keen plays Julius Weiss.

The ensemble also includes Mark Polish as Enrico, Jeanette Aguilar Harris as Dolores Iglesias, Jennifer Lee Laks as Lisa Weiss, Frida Mercury as Maria Iglesias, Sandy Lopez as Catrina Iglesias and Carlos Medina as Griego.

• MorningStar Angeline as Nita Iglesias
• Gracie Gillam as Karin Weiss
• Jonathan Medina as Isidro Iglesias
• Jasper Keen as Julius Weiss
• Mark Polish as Enrico
• Jeanette Aguilar Harris as Dolores Iglesias
• Jennifer Lee Laks as Lisa Weiss
• Frida Mercury as Maria Iglesias
• Sandy Lopez as Catrina Iglesias
• Carlos Medina as Griego

Release and production context

Radon’s Daughters is a United States production from Blue Prose Productions. It is listed with a release date of October 16, 2026, and a status of Released. The film has a runtime of 1 hour and 49 minutes and is spoken in English and Spanish.

Production companies: Blue Prose Productions

Movies Dock view

With its New Mexican setting, Día de los Muertos backdrop and uranium-centered premise, Radon’s Daughters places two families at the heart of a story that crosses drama, horror and fantasy. The available details present a focused setup while leaving the film’s larger developments undisclosed.

Film data:
TMDB