Paolo Villaggio

Dr. Jekyll / Mr Hyde

Edwige Fenech

Barbara Wimply

Gianrico Tedeschi

James / Jeeves

Gordon Mitchell

Pretorius

Paolo Paoloni

Professor

Guerrino Crivello

Student

Eolo Capritti

Henchman

Francesco Anniballi

Henchman

Walter Williams

PANTAC Top President

Clemente Ukmar

Henchman

Geoffrey Copleston

Archibald Gold

Paola Arduini

Stewardess

Angelo Boscariol

PANTAC Board Member (uncredited)

Luciano Foti

Class Member (uncredited)

Alfonso Giganti

Industrialist (uncredited)

Juba Kennerley

Gentleman (uncredited)

Giuseppe Marrocco

PANTAC Board Member (uncredited)

Fulvio Mingozzi

PANTAC Board Member (uncredited)

Alessandro Tedeschi

Professor introducing Jekyll (uncredited)

Luciano Zanussi

PANTAC Board Member (uncredited)

Steno

Director

Luciano Martino

Producer

Castellano

Idea

Robert Louis Stevenson

Novel

Leonardo Benvenuti

Story

Leonardo Benvenuti

Screenplay

Piero De Bernardi

Story

Steno

Story

Giovanni Manganelli

Co-Writer

Massimo Tavazzi

Set Decoration

Marisa Crimi

Costume Design

Elisabetta Poccioni

Costume Design

Raimondo Crociani

Editor

Luciano Spadoni

Production Design

Carlo Bartolini

Production Manager

Ennio Guarnieri

Director of Photography

Sergio Salvati

Director of Photography

Armando Trovajoli

Original Music Composer

Renato Jaboni

Executive Producer

Giovanni Manganelli

First Assistant Director

Lamberto Palmieri

Unit Manager

Marina Mattoli

Script Supervisor

Lucia Nolano

Production Secretary

Leonardo Curreri

Administration

Pina Triunveri

Assistant Editor

Renato Ranieri

Camera Operator

Franco Bruni

Camera Operator

Massimo Iabone

Sound

Antonio Scaramuzza

Assistant Camera

Maurizio Lucchini

Assistant Camera

Francesco Narducci

Still Photographer

Gianfranco Mecacci

Makeup Artist

Franco Schioppa

Makeup Artist

Mirella Ginnoto

Hairstylist

Sergio Gennari

Hairstylist

Bruno Moreal

Sound Mixer

Pipolo

Idea

Piero De Bernardi

Screenplay

Steno

Screenplay