"Little Luigi, the son of Guido and Elena, has a strange illness. To save him, they must inject his blood into a healthy person with his same blood type in order to create antibodies the fight off the infection."
Pierre Cressoy
as Guido
Milly Vitale
as Elena
Frank Latimore
as Reder
Aldo Silvani
as Dott. Martini
Maria Laura Rocca
as Anna
Gianfranco Nicostra
as Luigino
Oscar Andriani
as Commissario
Bianca Doria
as Agnese Reder
Liliana Bonfatti
as Ines
Gino Sinimberghi
as Cantano
Ornella Moscucci
Mario Costa
Director
Otello Colangeli
Editor
Antonio Leonviola
Writer
Giovanni Cosimini
Producer
Giorgio Capitani
Renzo Rossellini
Original Music Composer
Anchise Brizzi
Director of Photography
Lamberto Giovagnoli
Art Direction
Anton Giulio Majano
Guido Malatesta