Before theatrical release, controversy arose when behind-the-scenes footage surfaced and appeared to show a distressed dog being forcibly submerged in turbulent pool water during filming. As a result of the leaked footage, the filmmakers chose to cancel the U.S. premiere. Controversially, on February 4, 2017, the American Humane Association stated that the footage was misleadingly edited and no abuse occurred.

There is a seven-year age difference between Britt Robertson (Hannah) and KJ Apa (Ethan).

Final film of Peggy Lipton.

The dog breeds that were used in this film are: Beagle-German Shepherd-terrier mix, Golden Retriever, German Shepherd, Pembroke Welsh Corgi and St. Bernard-Australian Shepherd mix.

Dennis Quaid wore colored contact lenses to make his eyes brown. They are blue in real life.