Casts
Francesco Carnelutti
Dottor Lauker
Rossano Brazzi
Commissario Matthäi
Raymond Pellegrin
Capo della polizia
Macha Méril
Signora Heller
Erica Beltrami
Gisella Burinato
Signora Moser
Bruno Corazzari
L'autore
Iris Mazzucco
Marne Maitland
Von Gunthen
Gianni Pulone
Signor Moser
Diana Torrieri
Signora Schrott
Larry Dolgin
Commissario Feller (uncredited)
Crews
Alberto Negrin
Director
Paolo Boccio
Editor
Gianfranco Calligarich
Writer
Friedrich Dürrenmatt
Novel
Giulio Albonico
Director of Photography
Egisto Macchi
Original Music Composer
