The Lost World

A young Daily Gazette reporter who joins the expedition to prove his courage and win the affection of a woman back in London.

A brilliant, pugnacious zoologist who claims to have found a South American plateau where prehistoric creatures survive, and leads the expedition to prove it.

An elderly, skeptical zoologist who joins the expedition determined to disprove Challenger's claims about the plateau.

A seasoned big-game hunter and South American explorer recruited for the expedition for his marksmanship and field experience.

Malone's love interest in London, whose challenge that he do something heroic first sends him after the expedition.