An investigator checks into the rumors of harsh working conditions on an Amazon rubber plantation.

Richard Arlenas Dan Burton
Andy Devineas Tynan ('Tiny') Andrews
Beverly Robertsas Judith Adams
Louis Merrillas Porthos Scipio
Lupita Tovaras Maria Scipio
Samuel S. Hindsas J.P. Waterford
Charles Trowbridgeas Dr. Taylor
Leonard Mudieas J.T.M. Gallon
Adia Kuznetzoffas Soledad - Slave-Driver
Noble Johnsonas Hannibal - Slave-Driver