The car that blows up four minutes into the film has the Texas plate AG 3724; 32 minutes into the film, police car number 10 also has the Texas plate AG 3724.
The explosion at the beginning shows the car squashing down on all four wheels; following scenes show the car thrown on its right side.
As the night-man leads Vargas to cabin seven, Vargas jumps from his right side to his left at a cut.
The degree of beard stubble on Quinlan's face changes from sequence to sequence within the same night.
At the moment in the opening tracking shot, as Vargas and Mrs. Vargas kiss, there is a well-lit structure is on the right of the frame, made distinct by the wrapping of ribbon around the columns. The next shot shows Vargas begin to run to the exploded car, the structure is now in the distance, and it is no longer illuminated.
Various scenes depict car tires squealing on dirt roads or parking lots.
Right before the end, Tanya refers to Pete as "the one who killed him (Hank)". However, when Hank was shot, Tanya wasn't there; she couldn't have seen who shot him.
People sometimes report what they think or even outright lie about things.
People sometimes report what they think or even outright lie about things.
During the initial long tracking shot at the beginning, the car driving through the Mexican town drives over STOP painted on the street. Mexican Stop indicators show ALTO instead of STOP.
During the opening sequence, Mr. and Mrs. Vargas walk past a barber shop that has a misspelled Spanish-language sign "Peluquría San Marcos"; it should read "Peluquería San Marcos".
When Vargas (Charlton Heston) arrives late at night at the motel, he asks the night man (Dennis Weaver), "What seems to be the trouble? The lights seem to be on in all the cabins." Yet there are no lights on in the office or in the cabins when they walk along to Vargas' wife's cabin.
As the couple is getting into the car at the beginning, there is exhaust coming from the tailpipe well before the ignition noise is heard.
When Menzies tells Vargas that his wife is charged with murder, Vargas says, "Murder?" His lips don't move.
Whenever the player piano is operating, the action of piano keys does not match the music that is heard.
Crew and equipment reflected in the side of Vargas's car as he prepares to take his wife to the American motel.
When Susan Vargas (Janet Leigh) enters her Mirador Motel room for the first time, the shadow of a boom mic is reflected in the ceiling.
At the beginning of the opening long shot, when the bomb is planted in the trunk of the car, the reflection of a crew member is briefly seen in the upper left hand corner of the screen.