The snow storms in PERMAFROST are all real blizzards that happened during the filming of PERMAFROST.
PERMAFROST was filmed by a rag tag team of indie filmmakers.
The sled dogs in Permafrost are from a organization called Arctic Rescue. They are responsible for rescuing over 100 dogs a year.
The knife James uses is shaped like the Gulag Hammer.
The chain was originally from a dream that the Director had where a person in his dream said "Get your chain up son" and that was included in the scene when Tiberia approaches James to confront him and Meg.