Lo smemorato di Collegno (1962)

The story takes inspiration from a real case: Bruneri/Canella, Italy 1926. A man is hospitalized in a neurological clinic, suffering from amnesia. After seeing his photo in the newspaper, Mrs. Ballerini realizes that he is her husband and brings him home; then Mrs. Polacich recognizes him as her husband. At one point he is brought to court accused of being a thief named Mr. LoBianco. Finally all of his identities are found to be false for different reasons, and he decides that from now on, it's just him and his dog.