Writer/Director 'Ryan Hendrick' first came up with the concept for Sundown whilst visiting the Isle of Iona in 2008 and witnessed sunsets similar to one seen on screen.
'Frazer Hines' and 'Caitlin Blackwood' previously played the two Scottish Companions in BBC's 'Doctor Who'. They both play Scottish characters in this film.
The role of Abi was written for 'Caitlin Blackwood'