The film's screenplay was written by Josh Singer based in-part on Domscheit-Berg's book Inside WikiLeaks: My Time with Julian Assange at the World's Most Dangerous Website (2011), as well as WikiLeaks: Inside Julian Assange's War on Secrecy (2011) by British journalists David Leigh and Luke Harding.
Skenario film ini ditulis oleh Josh Singer berdasarkan buku Domscheit-Berg Inside WikiLeaks: My Time with Julian Assange at the World's Most Dangerous Website (2011), serta WikiLeaks: Inside Julian Assange's War on Secrecy (2011) karya wartawan Inggris David Leigh dan Luke Harding.