Tom (Scott Eastwood)is the son of Clint Eastwood, Sam (Katherine Waterston)is Sam Waterston's daughter and Jody (Sara Paxton) is related to Bill Paxton.
When Tom is lighting the fire in the stove, you can see the date on the paper is November 21, 2011.
The film was rereleased under the title The Haunting of Black Wood in 2015.
The cashier is reading "Timescape" by Gregory Benford.
Scott Eastwood and Shaun Sipos will later star in Texas Chainsaw 3D (2013).