Teenagers from a small town and their high school science teacher join forces to battle a giant mutant spider, living in a cave nearby and getting hungry.
Ed Kemmer
as Art Kingman
June Kenney
as Carol Flynn
Eugene Persson
as Mike Simpson
Gene Roth
as Sheriff Cagle
Hal Torey
as Mr. Simpson
June Jocelyn
as Mrs. Flynn
Mickey Finn
as Sam Haskel
Sally Fraser
as Helen Kingman
Troy Patterson
as Joe
Skip Young
as Sam
Howard Wright
as Jake
Bill Giorgio
as Pete Sanders
