Some of the scenes were shot in a real house. In the commentary, the cast talk about being genuinely spooked when, in the middle of shooting a quiet, tense scene, they heard the sound of claws on floorboard coming from elsewhere in the otherwise empty building. It turned out to be a friendly neighborhood dog who had wandered in unobserved.
The BA on the Slovakia license plate stands for Bratislava, the country's capital city.
This episode reunites Christian Kane and Lea Zawada, who both appeared in Leverage The Carnival Job (2011).
The Heisserer Index Jenkins references is named after screenwriter Eric Heisserer, who in 2004 created the viral internet horror story series The Dionaea House, which significantly boosted his career. Jenkins further includes Heisserer's Dionaea House as one of the Index's six categories of supernatural house archetypes.