In Copenhagen, a blind pianist hunts the culprit in string of murders, each linked by the presence of a yellow shawl and a black cat.
Anthony Steffen
Peter Oliver
Sylva Koscina
Françoise Ballais
Giovanna Lenzi
Susan Leclerc
Giacomo Rossi Stuart
Victor Morgan
Shirley Corrigan
Margot Thornhill
Renato De Carmine
Inspector Jansen
Umberto Raho
Burton
Annabella Incontrera
Helga Schurn
