"A hermit who has had contact with terrorists is planning to kill the Pope by poisoning."
Terence Stamp
as Padre Andreani, poi Papa Giovanni Clemente I
Fabrizio Bentivoglio
as Padre Bruno Martello
Paula Molina
as Nina
Gabriele Ferzetti
as Cardinale Ixaguirre
José Luis López Vázquez
as Don Perrone
Antonio Marsina
as Vittorio
Adriano Amidei Migliano
as Dottore
Eduardo Fajardo
as Rettore
Frank Nuyen
as Cardinal (uncredited)
Adriana Colombo
as
Marcello Aliprandi
Director
Antonio Siciliano
Editor
Alberto Fioretti
Screenplay
Enzo Gallo
Pino Donaggio
Original Music Composer
Lucio Battistrada
Elio Micheli
Art Direction
Alejandro Ulloa
Director of Photography
Pedro Mario Herrero
Producer
Max Savigny
Screenstory
Maurice Serral
Antonio de Miguel
Art Designer
Davide Bassan
Set Decoration