4 mosche di velluto grigio

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