雪莉·伊顿,理查德·怀勒,乔治·桑德斯,玛丽亚·罗姆,Marta Reves,埃莉萨·蒙特斯,Beni Cardoso,赫伯特·弗莱史曼,Geraldo José Torres Camargo,Maria de Lourdes,Yuma Duarte,Cornélio dos Santos Farias,赫苏斯·佛朗哥,Valentina Godoy,Alberto Land,迪尔玛·洛埃斯,沃尔特·瑞拉
A pathologist, Dr. Warren Chapin (played by Vincent Price), discovers that the tingling of the spine in states of extreme fear is due to the growth of a tingler—a spinal parasite which can kill the host unless it is destroyed by screaming.