The blue minivan plate number is 18-41949, refers to 18th of April 1949, which is the birth date of the director's late father.
The photo that appears on the wall inside the demolished house where Sami is waiting, is the photo of the director's late father.
For casting Laila's role, director Rifqi Assaf went to Damascus and back in one day back in 2010, to meet and audition Syrian actress Fatina Laila, he decided she got the role once he saw her face on the side screen of his handy camera.
For writing the Lebanese character Sami, played by Mazen Moadam, director Rifqi Assaf, went and stayed in Beirut - Lebanon for a week, just to feel the vibes and imagery the character was raised around and came from.
According to director Rifqi Assaf he approached later to be co-producer of the film Mohamed Hefzy for another project back in 2009, a project which didn't seem to work out at the time, so he sent him the screenplay of The Curve (2015), Hefzy then told him that this is the project he should really concentrate on and pursue with.