Young doctor Garondet is summoned by renowned Professor Orloff. At Orloff's castle, Garondet discovers that the mad scientist has created an invisible yet murderous apeman.

Cast:Howard Vernon, Brigitte Carva, Fernando Sancho, Paco Valladares, Eugène Berthier, Isabel del Río,

Genre:Horror, Science Fiction,

country:Spain, France,

Production:Célia Films, Producciones Miguel Mezquíriz,