The last name for the main character is taken from Arne Sakneusemm, the Icelandic scientist who traveled to the center of the earth in Jules Verne's classic novel "Journey to the Center of the Earth."
Kathy Ireland was hired for the lead role toward the end of the film's casting, as the crew was unable to find someone who could suitably lead the film. According to director Albert Pyun, Kathy Ireland was cast for her tall stature, 5-feet-10-inches, as he wanted to illustrate a physical difference between people from the Earth's surface and the shorter people who live far below the Earth's surface.
The background music that plays when Wanda and Gus first meet is an almost note for note recreation of "Yoda's theme" by John Williams. Most likely, the original music was used as a temp track during the editing process and the composers were encouraged to create a similar theme.
Like many movie teenagers, Kathy Ireland was actually in her mid-twenties when this film was produced.
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