Synopsis
Roberto, a drummer in a rock band, keeps receiving weird phone calls and being followed by a mysterious man. One night he manages to catch up with his persecutor and tries to get him to talk but in the ensuing struggle he accidentally stabs him. He runs away, but he understands his troubles have just begun when the following day he receives an envelope with photos of him killing the man. Someone is killing all his friends and trying to frame him for the murders.
Cast

Michael Brandon
Roberto Tobias

Mimsy Farmer
Nina Tobias

Jean-Pierre Marielle
Gianni Arrosio

Aldo Bufi Landi
Pathologist

Calisto Calisti
Carlo Marosi

Marisa Fabbri
Amelia, the Maid

Oreste Lionello
The Professor

Fabrizio Moroni
Mirko

Corrado Olmi
Porter

Stefano Satta Flores
Andrea

Laura Troschel
Maria

Francine Racette
Dalia

Bud Spencer
Diomede / Godfrey

Dante Cleri
Coffin Salesman

Guerrino Crivello
Rambaldi, the Neighbor

Gildo Di Marco
Postman

Tom Felleghy
Police Commissioner Pini
Leopoldo Migliori
Musician

Fulvio Mingozzi
Music Studio Manager

Stefano Oppedisano
Bearded guy with girlfriend

Pino Patti
Funeral Exhibition Attendant

Ada Pometti
Extra (credit only)

Jacques Stany
Psychiatrist
Fortunato Cecilia
Funeral Exhibition Visitor (uncredited)
More like this

Blood and Black Lace

Torso

I Know What You Did Last Summer

Rear Window

Manhattan Night

The Bird with the Crystal Plumage

Crescent City

The Fifth Cord

Eyes of Laura Mars

Dressed to Kill

The Prowler

The Poughkeepsie Tapes

The Night Evelyn Came Out of the Grave

A Bay of Blood

The Clovehitch Killer

Play Dead

The Case of the Bloody Iris

Creep

The Psychic

Summer of 84