At the midpoint when Mark and Pete are pretending their car has broken down so that they can watch Holbrook's home, the moving shadow of a crewman can be seen on the ground along the left side of the screen. This was presumably filmed late in the afternoon when the setting sun cast long shadows of people standing off to the side.
When Frank is cleaning the cuts on Julie's (Maria Grimm) face, she shows no pain response, even having an excited conversation with him throughout the process.