Goofs

Ruth stabs Barney lower in his chest than the wound shows up, near the collar bone, in later shots.

Spanish media reporting of the Millers' neighbors' murders is rampant with yellow journalism, not objective, but speculative and provocative of the public's emotional response rather than objectivity, to wit: "Another detail which may be significant is that the family dog, who now waits in vain for his master's return, raised no alarm nor frightened off the criminal." As the bodies were only found by a farm worker reporting the next morning, there would have been no one around to observe the dog's behavior at that time, other than the victims and the killer, who, needless to say, wasn't talking to reporters.

Barry Stokes's stunt double in his final nude scene is actually wearing a nude color brief, tumbling down the stairs.