Deep within the woods and canyons of California, four teenagers happen upon an ancient book containing the secrets of a strange, malevolent world that coexists with that of mankind. This film was re-editted with additional footage and released as Equinox (1970).
Jim Hudson (as Frank Boers Jr.)
David Fielding (as Skip Shimer)
Susan Turner
Vicki (as Robin Snider)
Dr. Arthur Watermann (as Fritz Leiber)
Old man in cave
Reporter Sloan (as Jim Phillips)
Doctor Branson
Nurse
The Green Giant