L'assassino... è al telefono

Willeke van Ammelrooy as Dorothy Rossella Falk as Margaret Vervoort Ada Pometti as Nurse Alessandro Perrella as Psychiatrist 텔리 사바라스 as Ranko Drasovic Osvaldo Ruggieri as Thomas Brown Roger Van Hool as Peter Vervoort Anne Heywood as Eleanor Loraine

조 다마토 Director of Photography Stelvio Cipriani Original Music Composer Serge-Henri Valcke Set Decoration Alberto De Martino Writer, Director