Filmed completely within the five boroughs of New York City. The Shepherd farm is a farm museum in Queens. The battlefield was in Far Rockaway near JFK Airport. Silas' boardroom is a jazz concert hall at the Time Warner Center.
Allison Miller had never worn high-heeled shoes until filming this episode. She suffered foot injuries as a result.
The Volvo L3314 makes an appearance on both sides of the war. This 40 year old vehicle was the backbone in the Swedish and Norwegian armed services for several decades. It is nicknamed Puppy, from its clumsy looks.