Klaus Kinski. Klaus Kinski was 42 in Double Face as 'John Alexander'.
Christiane Krüger. Christiane Krüger was 23 in Double Face as 'Christine'.
Günther Stoll. Günther Stoll was 44 in Double Face as 'Inspektor Steevens'.
Annabella Incontrera. Annabella Incontrera was 26 in Double Face as 'Liz'.
Margaret Lee. Margaret Lee was 25 in Double Face as 'Helen Alexander'.
Sydney Chaplin. Sydney Chaplin was 43 in Double Face as 'Mr.Brown'.
Gastone Pescucci. Gastone Pescucci was 42 in Double Face as 'Peter'.
Luciano Spadoni. Luciano Spadoni was >> in Double Face as 'Inspector Gordon'.
Fulvio Pellegrino. Fulvio Pellegrino was >> in Double Face as 'Policeman (uncredited)'.
Domenico Ravenna. Domenico Ravenna was >> in Double Face as 'Spectator at horse race (uncredited)'.
Alfred Vohrer. Alfred Vohrer was 54 in Double Face as 'Edgar Wallace (voice) (archive footage) (uncredited)'.
Alice Arno. Alice Arno was 23 in Double Face as '(hardcore inserts - French 1976 version)'.
Riccardo Freda. Riccardo Freda was 60 in Double Face as 'Director, Screenplay'Gábor Pogány. Gábor Pogány was 53 in Double Face as 'Director of Photography'Paul Hengge. Paul Hengge was 39 in Double Face as 'Screenplay'Oreste Coltellacci. Oreste Coltellacci was >> in Double Face as 'Producer'
Nora Orlandi. Nora Orlandi was 36 in Double Face as 'Original Music Composer'
Lucio Fulci. Lucio Fulci was 42 in Double Face as 'Story'
Edgar Wallace. Edgar Wallace would have been no older than 56 in Double Face as 'Novel'Luciano Spadoni. Luciano Spadoni was >> in Double Face as 'Production Design'Gianbattista Mussetto. Gianbattista Mussetto was >> in Double Face as 'Story'
Barbara Nelli
Ignazio Dolce
Claudio Trionfi