Lucia Bose was an Italian actress who did not speak fluent Spanish. For this film, all of her dialogue was dubbed by another actress.
The red-nosed clown at the circus is wearing a makeup style made famous by Emmett Kelly's clown, Weary Willie.
The car Maria and Juan are in when they hit the cyclist is a 1952 Fiat 1400.
This film is part of the Criterion Collection, spine #427.
This film has a 100% rating based on 10 critic reviews on Rotten Tomatoes.