Julie, an American on vacation in Mexico, spots a giant, one-eyed amoeba rising from the ocean, but when she tries to tell the authorities, no one believes her. She finally teams up with a marine biologist in an attempt to destroy it.
Anne Kimbell
as Julie Blair
Stuart Wade
as Steve Dunning
Dick Pinner
as Dr. Baldwin
Inez Palange
as Tula
Jonathan Haze
as Joe
Roger Corman
as Tommy
Wyott Ordung
as Pablo
David Garcia
as Jose
