As for the actresses who starred all their films, all of them had specifically North European features, fulfilling very specific requirements: should be stylized, elegant, classic, intelligent, somewhat cold and, of course, to wear a platinum hair. The director felt a predilection for the “Nordics” — as he called them — since as he explained he considered them mysterious and frivolous; they were easier to photograph in black and white and to highlight their elegance and coldness. Hitchcock was very clear that his protagonists would be blonde, and otherwise, they would be dyed, as they had to do Madeleine Carroll, Joan Fontaine or Ingrid