Chi sei? (1974)

Italy, 1974
35mm film, colour, 1.85:1
stereo (Westrex Electric System), Italian

An Italian horror film directed by Ovidio G. Assonitis (using the pseudonym O. Hellman) and Roberto D’Ettorre Piazzoli (using the pseudonym R. Barrett).

Plot Summary

Jessica Barrett is pregnant with her third child and living in San Francisco with her record producer husband, Robert. But the pregnancy takes a strange turn as Jessica’s behaviour becomes increasingly erratic and violent, suggesting that she may have been possessed by a devil.


Directed by: O. Hellman [real name Ovidio G. Assonitis], R. Barrett [real name: Roberto D’Ettorre Piazzoli]
© 1974 A. Erre Cinematografica
Ovidio Assonitis and Giorgio Carlo Rossi present
Produced by: Enzo Doria for A. Erre Cinematografica s.r.l.
Screenplay: O. Hellman [real name Ovidio G. Assonitis], Antonio Troisio, R. Barrett [real name: Roberto D’Ettorre Piazzoli]
With the Collaboration of: Giorgio Marini, Aldo Grudo [English language version adds Alex Rebar, Christopher Cruise]
Story: O. Hellman [real name: Ovidio G. Assonitis], Antonio Troisio
Director of Photography: Roberto D’Ettorre Piazzoli
Editor: Angelo Curi
Music Composed by: Franco Micalizzi
Sound Mixer: Bruno Brunacci
Key Make-up: Otello Sisi
Hair Stylist: Giancarlo De Leonardis
Special Effects: Speac, supervised by Wally Gentleman
Art Directors: Piero Filippone, Franco Pellecchia Velchi
The interiors were filmed at De Paolis Studios, Rome, Italy, the exteriors in San Francisco, U.S.A.

Juliet Mills (Jessica Barrett)
Richard Johnson (Dimitri)
Gabriele Lavia (Oliver)
Nino Segurini (George)
Elizabeth Turner
Barbara Fiorini (Gail)
Carla Mancini (Mrs Francis)
David Colin Jr (Ken)
Vittorio Fanfoni (Mr Francis)
Luigi Marturano

Alternative Titles

Behind the Door – Australia
Beyond the Door – USA
La cosa è tra noi (Chi sei?) – alternative title
Le démon aux tripes – Canada (French), France
A Demon Beyond the Door – USA (advertising)
El demonio en ella – Spain (video)
The Devil Within Her – Ireland, UK
O Diabo Dentro Dela – Portugal
Diabolica – Japan
I djävulens grepp – Sweden
La endemoniada – Peru
Espírito Maligno – Brazil
Kontrakt med andra sidan – Sweden (video)
Un pacto con el diablo – Argentina
Poder maléfico – Spain
Poseída por el demonio – Ecuador
¿Quién eres? – Mexico
A Reencarnação do Demônio – Brazil
Şeytan – Turkey
To sperma tou antihristou – Greece
Vom Satan gezeugt – West Germany (video)
Wer bist Du? – West Germany
Yhteys tuonpuoleiseen – Finland (video)
Το Σπέρμα του Αντίχριστου – Greece
За дверима – Ukraine
За дверью – Russia
デアボリカ – Japan

See also
Beyond the Door III (1989)
The Exorcist (1973)
Schock (1977)

Extracts included in
42nd Street Forever, Volume 3: Exploitation Explosion (2008)
Beyond the Door, 35 Years Later (2009)
Bride of Monster Mania (2000)
Dusk to Dawn Drive-In Trash-o-Rama Show Vol. 2 (1996)
Mad Ron’s Prevues from Hell (1987)
Trailer Trauma 2: Drive-In Monsterama (2016)
Trailer Trauma Part 4: Television Trauma (2017)



  • Cinematografia ITA vol.41 no.7/8 (15 August 1974) pp.21-22
  • Films and Filming vol.22 no.5 (February 1976) p.38
  • Films Illustrated vol.5 no.50 (October 1975) p.50
  • Monthly Film Bulletin vol.42 no.498 (July 1975) p.152
  • Screen International no.4 (27 September 1975) p.13
  • Variety 6 August 1975 p.16


  • The Aurum Film Encyclopedia: Horror by Phil Hardy (ed.) p.289-290
  • Euro Gothic: Classics of Continental Horror Cinema by Jonathan Rigby pp.120, 316-17, 318, 352, 354
  • Film Review 1976-1977 by F. Maurice Speed p.164
  • Horror and Science Fiction Films II by Donald C. Willis p.31