starring Dennis Cole, Susan Sullivan, Ray Milland, Leslie Neilsen
When heavy rainstorms threaten the safety of the Five Mile Caverns in Yellowstone Park, the Chief of Rangers is reluctant to close the caves down as a Senate inspection is due. As State Senator Kate Lassiter and Ranger Jack Miller descend to the caves, another party begins a special VIP tour. Unknown to them all, an escaped convict and killer is lurking in the North Fork. Personal conflicts and fears intensify underground when the dreaded cave-ins occur...
Screenplay by NORMAN KATKOV Produced by IRWIN ALLEN Directed by GEORG FENADY
• FILMS: page 20
