John Dickson Carr

Novel

Vieri Razzini

Screenplay

Fiorenzo Carpi

Original Music Composer

Ludovico Muratori

Production Design

Lyuba Popova

Costume Design

Giovanni Fago

Director

Giampiero Puliti

Director of Photography

Dino Pozzi

Assistant Production Design

Armando Di Micco de Santo

Assistant Set Decoration

Angelo Bissoli

Construction Foreman

Franco Fiori

Set Decoration

Gianni Bonaldi

Assistant Camera

Lorenzo Villa

Assistant Camera

Giuseppe Clemente

Camera Operator

Carlo Pirani

Camera Supervisor

Nevio Sivini

Second Unit Director of Photography

Adriana Zaccara

Assistant Costume Designer

Libero Politi

Key Makeup Artist

Riccardo Della Torre

Mixing Engineer

Dario Colnago

Second Unit

Luigi Borghesio

Second Unit

Rolando Giordano Orsini

Second Unit

Alfredo Costa

Technical Supervisor

Patrizia Proserpio

Assistant Editor

Giorgio Galli

Editor

Lodovico Maltoni

Gaffer

Nicolò Stefi

Coordinating Producer

Giovanni Piva

Line Producer

Nino Monza

Production Assistant

Giampiero Florio

Production Secretary

Blando Maria Melli

Assistant Music Supervisor

Aldo Cavuoto

Boom Operator

Giovanni Marzona

Boom Operator

Erminio Liverta

Recording Supervision

Cesare Volta

Sound Effects

Oreste Boschi

Sound Engineer

Antonio Montanarini

Sound Mixer