Adolfo Celi

as Self (archive footage)

as Self (archive footage)

as Goncalvo Gherardeschi (4 episodes)

as Professor Sassaroli

as Oreste Balestrini (12 episodes)

as Goncalvo Gherardeschi

as Professeur Sassaroli

as Cardinal Vinci

as Sir Henry

as Taladis

as Self

as Gustavo VI di San Tulipe

as Rodrigo Borgia (10 episodes)

as Polizeipräsident

as Chief Inspector Ramacci Pisanelli

as Sir Harold Boyd

as Eugenio - the president

as Carcamano

as James Brooke

as Dr. Kerouac

as Aristide Bertelli

as Boetani

as Dottore