Mary's cell phone is a Nokia 3110 with the iconic Nokia Tune, also known as an excerpt of Francicso Tárrega's Gran Vals.
Feature debut of French director Julius Berg after directing several French TV series, including The Forest (2017) and Osmosis (2019).
In February 2021, co-writer/director Julius Berg recorded a full-length audio commentary for the Rogue Commentary podcast.
For no reason at all, at 1 hr and 10 mins, the aspect ratio shrinks to square box ratio. And then at 1 hr 26 mins, it turns back to a widescreen ratio. Quite irritating and unnecessary.