Director Antun Vrdoljak is father in law of lead actor - Goran Visnjic.
Goran Visnjic said that he would not take any money for the role and instead do the film for free.
The Croatian Ministry of Defence announced that they will give all the necessary equipment without charge.
This is a third time, Antun Vrdoljak and Goran Visnjic are working together, after Long Dark Night (2005) and Tito (2010).