Maureen O'Hara, in her memoirs "Tis Herself", says she was very disappointed by the way the cameraman filmed her. According to her, it was because, before the shooting, there was a soccer match between Italian and English cast and crew members and she supported the Italians instead of the English.
Her role as Donna was the first theatrical feature film role for Olivia Hussey.
Last feature film to be directed by Delmer Daves, although he lived another twelve years.
Ursula Jeans' last movie.