Ecologia del delitto

Chris Avram

Franco Ventura / Frank Ventura

Leopoldo Trieste

Paolo Fosatti / Paul Fosatti

Laura Betti

Anna Fossati

Brigitte Skay

Louise / Brunhilde

Isa Miranda

Countess Federica Donati

Paola Montenero

Sylvie / Denise

Nicoletta Elmi

Renata and Albert's Daughter (uncredited)

Renato Cestiè

Renata and Albert's Son (uncredited)