The film's title is a combination of Josh's favorite Christmas movie Love Actually (2003) and Natalie's favorite Christmas movie Die Hard (1988). Alan Rickman stars in both.
While Josh is teaching Natalie to climb at All Things Outdoors, he provides the insightful quote "Great things are done by a series of small things brought together" by Van Gogh. This same quote can be seen on the display behind him as he begins to spot Natalie.
Darren Barnet replaces Charles Melton who dropped out after scheduling conflicts with his show Riverdale (2017).