<Li> Peter Graves as Himself </Li> <P> Rush's name "Price" as well as Rush's appearance is a nod to actor Vincent Price, who played the similar lead role, then named Frederick Loren in the original film . </P> <P> William Castle's daughter Terry Castle served as co-producer on the film . The film was shot in late 1998 and early 1999 in Los Angeles, California, with exteriors of the house's driveway being shot in Griffith Park near the Griffith Park Observatory . The "Terror Incognita" rollercoaster at Price's amusement park featured in the beginning of the film is actually The Incredible Hulk rollercoaster at Universal Studios Florida . </P> <P> The unethical psychiatry methods and experimental procedures featured in the film were loosely based on medical experiments conducted by the Nazis . </P>

Where did they film house on haunted hill