An adventurer (Hamilton) decides to go in search of the Lost City in the Amazon jungle. A motley crew of other people decide to join him for the wealth of the city, for reasons of their own. But to their horror they find out that they have bitten off more than they can chew, what with a Nazi doctor still using the place for his human experiments.
Michael Dudikoff
as John Hamilton
Robert Vaughn
as Wolfgang Manteuffel
Donald Pleasence
as Heinrich Spaatz
Herbert Lom
as Colonel Ricardo Diaz
L.Q. Jones
as Hiller
Sarah Maur Thorp
as Anna Blakesley
Cynthia Erland
as Maria
Foziah Davidson
as Dalia
Victor Melleney
as Blakesley
Rufus Swart
as Pare
Gordon Mulholland
as Fanjul
Lindsay Reardon
as Kellner
