Although they didn't have any scene together, Casper Van Dien and Eric Roberts worked previously together in another crime thriller, "Sanctimony" (2000).
First of Barbie Castro's "killer" line of movies: As of 2017, she has appeared in 5 films with the word "killer" in the title: Assumed Memories (2013) previously titled Assumed Killer, Patient Killer (2014), Boyfriend Killer (2017), Girlfriend Killer (2017), and Killer Island (2018). She played a different character in each one.
Original title in the UK and America was Assumed Killer. After it first aired on television the title was changed to Assumed Memories.