- Country: France, Italy
- Genres: Thriller
- Release: 1975-01-01
- Director: Luigi Cozzi
- Writers: Adriano Bolzoni , Luigi Cozzi , Daniele Del Giudice , Patrick Jamain
- Language: Italian
- Stars: George Hilton , Antoine Saint-John , Femi Benussi , Cristina Galbó , Eduardo Fajardo , Teresita Velazquez , Alessio Orano , Dario Griachi , Luigi Antonio Guerra , Carla Mancini
- Runtime: 90 min
- Awards: N/A
- AKA: The Killer Must Kill Again (United Kingdom) , L'assassino è costretto ad uccidere ancora , Il ragno (Italy) , La sombra del asesino (Spain) , The Killer Must Kill Again (United States of America) , The Killer Must Strike Again (United States of America) , Matador Implacável (Brazil) , The Dark Is Death's Friend (United States of America) , O dolofonos xanahtypa (Greece) , La araña (Spain) , The Killer Must Kill Again (Canada) , Убийца должен убить снова , 慾海情郎 (Taiwan) , L'assassino è costretto ad uccidere ancora (Italy)
- Plot: Giorgio is a greedy adulterer who makes a deal with a serial killer to dispose of his wealthy wife, Nora. Unfortunately, a thrill-seeking young couple steal the killer's car with Nora's corpse in the trunk, ending up at a run-down seaside villa.
- IMDB:tt0072662
L’assassino è costretto ad uccidere ancora Cast · · · ALL
Luigi Cozzi
Director
George Hilton
Giorgio Mainardi
Antoine Saint-John
Killer
Femi Benussi
Dizzy Blonde
Cristina Galbó
Laura
Eduardo Fajardo
Inspector
Tere Velázquez
Norma Mainardi
Alessio Orano
Luca
Luigi Antonio Guerra
Carla Mancini
Sydne Rome
The first victim (uncredited)
Claudio Sforzini
Petrol pump attendant (uncredited)