Since the film is shot near the Esket Reserve in Western Canada, many people of the First Nation were also involved, including Chief Charlene Belleau, who blessed the production.
During his time as a teacher at the Center for Arts and Technology, director Mark A. Lewis used parts of his screenplay for this movie in his 'Directing the Actor' class.
The movie is inspired by the real concern of global warming releasing ancient lethal superviruses. Numerous different giant viruses have already been discovered by scientists in the Siberian permafrost.
One version of the DVD uses the title "Frozen" instead of "Thaw."
The last line of the film mentions various diseases posing threat to humanity, with SARS being one of them. In this way, the movie turned out to be prophetic, as the coronavirus strain that causes SARS later caused, at the very least, seven million deaths, with some sources estimating the true number to be over 30 million.