He was permitted to occasionally ad lib in order to get the film 's message across , and to give it a truly Italian feel .
Renato Rascel was chosen to serve as both the singer of the introductory song and as the narrator .
Renato Rascel was permitted to occasionally ad lib in order to get the film 's message across , and to give it a truly Italian feel .
Renato Rascel was chosen to serve as both the singer of the introductory song and as the narrator .