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