On screen
Cast
29 credited performers
Luigi Pavese
Antonio Meucci
Leda Gloria
Ester, sua moglie
Nerio Bernardi
Alexander Graham Bell
Greta Gonda
Consuelo Ispahan
Osvaldo Valenti
Giovane Giuseppe Garibaldi
Armando Migliari
Elisha Gray
Rubi D'Alma
Liliana Montes
Artwork unavailable
Anna Valpreda
Mary
Emilio Petacci
Sam Cloton
Nino Pavese
Onorevole Closter
Artwork unavailable
Rudi Dal Pra
Ramiro Gomez
Olinto Cristina
Wilson
Artwork unavailable
Gino Bianchi
Parodi
Artwork unavailable
Aristide Garbini
Fleming
Artwork unavailable
Oreste Fares
Il medico
Nino Marchesini
Il presidente del tribunale
Artwork unavailable
Eugenio Duse
Il giornalista
Cesare Fantoni
L'avvocato difensore
Gildo Bocci
Character not listed
Flora Volpini
Character not listed
Artwork unavailable
Tullio Galvani
Character not listed
Artwork unavailable
Olga von Kollar
Character not listed
Artwork unavailable
Vasco Cataldo
Character not listed
Artwork unavailable
Luciano Seno
Character not listed
Artwork unavailable
Clara Andri
Character not listed
Artwork unavailable
Ernesto Bianchi
Character not listed
Artwork unavailable
Franco Barci
Character not listed
Artwork unavailable
Bebi Nucci
Character not listed
Artwork unavailable
Gina Spicchiesi
Character not listed