There were at least 20 drafts before one could be agreed upon by the writers and approved by the production company.
In the original script, a voiceover was supposed to happen, before it was taken out to create a more compelling, visual story.
Cyrus was the very last person to be casted while Companion was the first.
The production team was constantly at each other's throats during development and pre-production.
The opening scene had to be written one week before production started since a location couldn't be secured.