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
