Audio problem: After Tor Johnson drops her, Paula says, "Oh, I'll be alright" but her lips don't move. (01:13:30)
Audio problem: When the rowers in the Roman galley were going normal speed, you could tell that the drum was sounding before the drummer hit it.
Audio problem: Before the famous attack by a crop spraying aircraft, Cary Grant is set down in the middle of nowhere from a Greyhound Scenicruiser. Another bus, a Flxible BR-29, also stops briefly. The soundtrack of the Scenicruiser's engine is re-used for the Flxible.
Audio problem: Throughout the movie when they are underground, when someone speaks sometimes you hear an echo and sometimes you don't.