- Country: Italy
- Genres: Crime, Mystery, Thriller
- Release: 1975-01-01
- Director: Luigi Bazzoni
- Writers: David McDonald Devine , Mario di Nardo , Mario Fanelli , Luigi Bazzoni
- Language: Italian
- Stars: Franco Nero , Silvia Monti , Wolfgang Preiss , Ira von Fürstenberg , Edmund Purdom , Rossella Falk , Renato Romano , Guido Alberti , Luciano Bartoli , Agostina Belli
- Runtime: 93 min
- Awards: N/A
- AKA: Zhi duo xing chi shou qin shong (Hong Kong) , Ein schwarzer Tag für den Widder (Germany) , O Quinto Dedo (Portugal, Portuguese Republic) , Le jour maléfique (Belgium) , Evil Fingers (United States of America) , Um Dia Negro (Brazil) , Злые пальцы , The Fifth Cord (United Kingdom) , Tirsdagsmorderne (Norway) , The Fifth Cord (Canada) , Giornata nera per l'ariete (Australia) , De sombere dag van de ram (Belgium) , The Fifth Cord , Crni dan za ovna , Våldets tecken (Sweden) , Der schwarze Tag des Widders , Chi dor sing chik sau lei hung (Hong Kong) , Orgía de amor y muerte (Mexico) , Shin koroshi no tekunikku: Tsugi wa omae da (Japan) , Giornata nera per l'ariete (Korea) , Viides sormi (Finland) , Το 5ο έγκλημα (Greece) , 新・殺しのテクニック 次はお前だ! (Japan) , Un día negro (Spain) , Giornata nera per l'ariete (Italy) , Jour maléfique (France, French Republic) , The Fifth Chord (Belgium) , Journée noire pour un bélier (France, French Republic) , The Fifth Cord (United States of America) , Journée Noire pour un Bélier (Canada) , El día negro (Spain) , Koçun kara günü (Turkey) , Giornata nera per l'ariete , Evil Fingers (United Kingdom) , Zi neagră pentru un berbec (Romania) , Crni dani (Serbia) , La quinta cuerda (Venezuela) , Чёрный день для Овна (Russian Federation) , Οι 4 εκδικηταί (Greece) , Silent Killer (Sweden)
- Plot:
A journalist finds himself on the trail of a murderer who’s been targeting people around him, while the police are considering him a suspect in their investigation.
- IMDB:tt0067134
The Fifth Cord Cast · · · ALL
Luigi Bazzoni
Director
Franco Nero
Andrea Bild
Silvia Monti
Helene Volta
Wolfgang Preiss
Police inspector
Edmund Purdom
Edouard Vermont
Rossella Falk
Sophia Bini
Renato Romano
Dr. Richard Bini
Guido Alberti
Traversi
Luciano Bartoli
Walter Auer
Agostina Belli
Giulia Soavi
Maurizio Bonuglia
John Lubbock
Pamela Tiffin
Lu Auer
Corrado Gaipa
Editor
Andrea Scotti
Vogel
Ira von Fürstenberg
Isabel Lancia
Luigi Antonio Guerra
Man
Irio Fantini
Man
Jean-Pierre Clarain
Journalist in Bini's Home (uncredited)
Alfonso Giganti
Silvester party guest (uncredited)
Maria Tedeschi
Funeral Guest (uncredited)
Pupita Lea Scuderoni
Funeral Guest (uncredited)