
Siena Sofia Bergt
Director
Biography
Siena Sofia Bergt is a director, writer, journalist, podcaster, and teacher from Agua Fria, New Mexico. She made her narrative feature debut OPIA while attending Columbia University, and her second feature RADON’S DAUGHTERS premiered at the Santa Fe International Film Festival in 2026. She is the Chair of the Cinematic Arts program at the New Mexico School for the Arts in Santa Fe and co-hosts the award-winning horror film podcast Splice & Splatter.
Directed 2
2020s
- 2026
Radon’s Daughters
Director
- 2020
Wrote 2
2020s
- 2026
Radon’s Daughters
Writer
- 2020
Produced 2
2020s
- 2026
Radon’s Daughters
Producer
- 2020
Edited 2
2020s
- 2026
Radon’s Daughters
Editor
- 2020
Acted in 1
2020s
- 2026
Radon’s Daughters
Daughter
Other crew 1
2020s
- 2026
Radon’s Daughters
Special Effects Assistant, Carpenter
Sound 1
2020s
- 2026
Radon’s Daughters
Sound, Foley Artist
Camera 1
2020s
- 2026
Radon’s Daughters
Additional Photography