Qualcuno ha tradito

Robert Webber as Tony Costa Marina Berti as Anna Jean Servais Franco Giornelli Emilio Messina Giovanni Ivan Scratuglia Ennio Balbo as (as William Bosh) Elsa Martinelli as Laureen Pierre Zimmer Umberto Raho

Dario Argento Additional Writing Piero Piccioni Original Music Composer Ruggero Mastroianni Editor