Joseph Cotten

Baron Otto von Kleist / Alfred Becker

Elke Sommer

Eva Arnold

Massimo Girotti

Dr. Karl Hummel

Antonio Cantafora

Peter Kleist

Umberto Raho

Inspector

Luciano Pigozzi

Fritz

Nicoletta Elmi

Gretchen Hummel

Dieter Tressler

Mayor Dortmundt

Rolf Halwich

Auctioner

Gustavo De Nardo

Dr. Werner Hesse

Valeria Sabel

Martha Hummel

Rada Rassimov

Christina Hoffmann

Mario Bava