Principal photography is underway in Oregon on the Sidney Kimmel Entertainment (SKE) and Temple Hill Productions film.
MGM has North American rights.
Harrelson plays a yoghurt mogul whose travelling saleswoman girlfriend falls for the son of the owners of a motel she stays at during a trip.
Stephen Belber is directing and Sidney Kimmel is producing along with Temple Hill partners Wyck Godfrey and Marty Bowen.
Nan Morales, SKE president Jim Tauber and SKE production president William Horberg are serving as executive producers.