Kanlı Kelebek

Helmut Berger

Giorgio

Giancarlo Sbragia

Alessandro Marchi

Ida Galli

Maria Marchi

Wendy D'Olive

Sarah Marchi

Günther Stoll

Attorney Giulio Cordaro

Carole André

Françoise Pigaut

Wolfgang Preiss

The Prosecutor

Lorella De Luca

Marta Clerici

Silvano Tranquilli

Inspector Berardi

Peter Shepherd

The Inspector's Assistant

Gabriella D'Olive

Gabriella Giusti

Stefano Oppedisano