Director
Alberto Negrin
DIRECTOR
Writer
Gianfranco Calligarich
WRITER
Friedrich Dürrenmatt
Stars (in credits order)
Rossano Brazzi
Commissario Matthäi
Raymond Pellegrin
Il capo della polizia
Macha Méril
Signora Heller
Erica Beltrami
ACTOR
Gisella Burinato
Signora Moser
Francesco Carnelutti
Dottor Lauker
Bruno Corazzari
L'autore
Iris Mazzucco
Marne Maitland
Von Gunthen
Gianni Pulone
Signor Moser
Diana Torrieri
Signora Schrott
Larry Dolgin
Commissario Feller (uncredited)
