Roberto Tobias

Michael Brandon

Nina Tobias

Mimsy Farmer

Pathologist

Aldo Bufi Landi

Gianni Arrosio

Jean-Pierre Marielle

Dalia

Francine Racette

Diomede / Godfrey

Bud Spencer

Carlo Marosi

Calisto Calisti

Amelia, the Maid

Marisa Fabbri

The Professor

Oreste Lionello

Mirko

Fabrizio Moroni

Porter

Corrado Olmi

Andrea

Stefano Satta Flores

Maria

Laura Troschel

Coffin Salesman

Dante Cleri

Rambaldi, the Neighbor

Guerrino Crivello

Postman

Gildo Di Marco

Police Commissioner Pini

Tom Felleghy

Musician

Leopoldo Migliori

Music Studio Manager

Fulvio Mingozzi

Bearded guy with girlfriend

Stefano Oppedisano

Funeral Exhibition Attendant

Pino Patti

Extra (credit only)

Ada Pometti

Psychiatrist

Jacques Stany

Funeral Exhibition Visitor (uncredited)

Fortunato Cecilia

Funeral Exhibition Visitor (uncredited)

Franz Colangeli

Girl at Party (uncredited)

Shirley Corrigan

Masked Killer in Theater (uncredited)

Luigi Cozzi

Funeral Exhibition Attendant (uncredited)

Giovanni Di Benedetto

Funeral Exhibition Attendant (uncredited)

Sandro Dori

Funeral Exhibition Attendant (uncredited)

Renzo Marignano

Funeral Exhibition Visitor (uncredited)

Quinto Marziali

Delia's Mother (uncredited)

Anna Maria Perego

Funeral Exhibition Visitor (uncredited)

Pupita Lea Scuderoni

Funeral Exhibition Visitor (uncredited)

Maurizio Streccioni