The voice of the documentarian, Brian Larsen is voiced by famous voice actor James Arnold Taylor.
He is known for doing the voice of Tidus from Final Fantasy X & X-2, Johnny Test in Johnny Test and Obi-Wan Kenobi in the animated television series Star Wars: Clone Wars (2003), Star Wars: The Clone Wars (2008), and Star Wars: Rebels.
Although this episode premiered in 2004, it was produced in 2003 according to the credits.