Goofs

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.

The car blown up in the opening scene has a completely different radiator grille and front bumper prior to the explosion. (An older, less expensive 1949 Oldsmobile was used for the explosion.)

Various scenes depict car tires squealing on dirt roads or parking lots.

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.

During the initial long tracking shot at the beginning of the movie, the car driving through the Mexican town drives over STOP painted on the street. Mexican Stop indicators show ALTO instead of STOP.

During the famous 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" ...

As the couple is getting into the car at the beginning of the movie, 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.