Sandro, a detective, finds his wife strangled. His girl-friend Tiffany, who works as photographer, makes a "Blow up" from a photo, what Sandro finds beside the victim. Sandro and Tiffany are looking for the woman on the photo, Laura. They finds her in a Night Club in Rome...
Frederick Stafford
as Sandro Mattei
Femi Benussi
as Laura Damiani
Claude Jade
as Tiffany
Alberto de Mendoza
as Giorgio Russo
Michel Constantin
as Inspector Palma
Simón Andreu
as Mario
Manuel de Blas
as Franco Bertoni
Giacomo Furia
as Commissario
Giuseppe Castellano
as Broccole
Patty Shepard
as Simone Mattei
Dada Gallotti
as Gina Necioni
Arturo Dominici
as District Attorney
