Blooper

When Mary is pulled out of the snow, the snow on her face disappears and reappears between shots.

During their time in the tree, certain camera shots show Hayley Mills wearing a chain at her throat, while at other times, it's gone.

While Bill Gaye swings Robert upside down towards a rocky cliff, there is no vegetation until Robert attempts to grab the cliff and the rope releases, then he lands in a large bush.

The jaguar that invades the searcher's tree is in fact a leopard, which do not exist in South America. Leopards are much easier to handle and train than jaguars.

The Maoris wear tighty white jockey shorts under their beaded hula skirts.

When the Maori natives are climbing up the escape rope (which is burning furiously), wires are visibly connected to the stunt men.

When the ship arrives in Australia, the map shows it is arriving in Sydney. However a newspaper article later shown announces that the boat has come into port at Melbourne.