Plot hole: There is a wide shot of the men going off to hunt deer on Circe's island, and you can count at least ten of them. When Odysseus comes to rescue them, he sees two along the way, and then there are four in Circe's palace. Of the two back at the beach, one was changed into a pig, and the other is a human that said "Only Polites (the pig) escaped". That adds up to eight men. So at least two are missing.