from Cinema 5 ; Documento-Film ; CCC Filmkunst ; adaptation and screenplay by Ugo Pirro, Vittorio Bonicelli ; produced by Gianni Hecht Lucari for Documento Film and Arthur Cohn ; directed by Vittorio De Sica
Progress Film-Vertrieb zeigt ; einen Wolfgang Staudte film ; DEFA ; drehbuch, Wolfgang Staudte, Fritz Staudte ; produttionleitung, Willi Teichmann ; regie, Wolfgang Staudte
Gaumont Pictures, Diamond Entertainment Corporation, TGG Direct ; produced by Michael Balcon, Ivor Montagu ; screenplay by Charles Bennett, Ian Hay, Alma Reville ; directed by Alfred Hitchcock