Someone is killing people related to a South American expedition. The means of murder are poison darts with rubber spiders attached to them. A writer and some police detectives investigate.
O.W. Fischer
as Reporter Wellby
Karin Dor
as Clarisse
Doris Kirchner
as Helen Osbourne
Werner Peters
as William Osbourne
Eddi Arent
as Fish
Klaus Kinski
as Boyd
Claude Farell
as Mrs. Dyke
Gabriel Llopart
as Selwood
Fernando Sancho
as Slim
José María Caffarel
as Cartwright
Antonio Casas
as Bronsfield
Tomás Blanco
as
