Anachronisms: Cleopatra travels through an arch that was built at least 300 years after her death.
Anachronisms: Cleopatra refers to Octavian as "Octavius Gaius Julius Caesar Augustus." The senate also refer to him as "the August." However, Gaius Octavius wasn't given the name "Augustus" or made emperor until 27 BC, three years after Cleopatra's death.
Continuity: As Cleopatra passes under the Arch, there are shadows of the set scaffolding visible on the face of the black sphinx behind Cleopatra.
Anachronisms: A jet crosses the sky in the background.
Continuity: During Cleopatra's big parade as she enters Rome there are tire tracks on the dirt road
Continuity: When Cleopatra is rolled out of the rug in her first appearance, she is wearing flat sandals. in the next shot she walks to the table and is in high heels.
Continuity: When Antony visits Cleopatra on her boat, the long red curtain behind him is closed. A few seconds later, the curtain is open.
Continuity: When Cleopatra's boat approaches the shore, the white translucent curtains are pulled open, yet in a view from the shore, they are still closed.
Errors made by characters (possibly deliberate errors by the filmmakers): Although we learn that Cleopatra is supposed to be the incarnation of the Egyptian goddess Isis, Taylor keeps pronouncing it "Ises."