Screenwriter Nathan Alexander spoke to von Stauffenberg's relatives and noted that, although Nina and Claus never directly spoke about the plot, "in a sense it was all they talked about".
Scenarist Nathan Alexander razgovarao je sa von Stauffenbergovim rođacima i istaknuo da, iako Nina i Claus nikad izravno nisu razgovarali o zavjeri, "bilo je to na neki način sve o čemu su razgovarali."