"Marcos Vargas returns home to Ciudad Bolívar after finishing his studies in Trinidad. There he decides to start a business transporting merchandise to the interior of the jungle. A local chieftain will not make things easy for him."
Jorge Negrete
as Marcos Vargas
Rosario Granados
as Aracelis Vellorini
Carlos López Moctezuma
as Col. José Francisco Ardavin
Andrés Soler
as Conde Giaffaro
Bernardo Sancristóbal
as Gabriel Ureña
Alfredo Varela
as Arteaguita
Gilberto González
as Sute Cúpira
Arturo Soto Rangel
as Manuel Ladera
Alfonso Bedoya
as Cholo Parima (Pantoja)
Luis G. Barreiro
as Vellorini el malo (don José)
Vicente Padula
as Vellorini el bueno (don Francisco)
Carolina Barret
as Juanifacia
María Luisa Serrano
as Doña Herminia Vargas
Luis Jiménez Morán
as Cauchero
Salvador Quiroz
as Secuaz de Ardavin
Chel López
as Cascareño
June Byron
as Carmen
Fanny Schiller
as Gallineta
Trío Calaveras
as Cantantes
Rafael Deyón
as
Gloria Marín
as Maigualida Ladera
Julio Ahuet
as Cauchero (uncredited)
Eduardo Arozamena
as (uncredited)
Jorge Arriaga
Alejandro Ciangherotti
Julio Daneri
as Empleado (uncredited)
Manuel Dondé
Edmundo Espino
as Secuaz de Ardavin (uncredited)
Lidia Franco
as Doña Luisa Ladera (uncredited)
Juan García
as Esbirro de Cupira (uncredited)
Ramón G. Larrea
as Comandante (uncredited)
Antonio Leo
Pedro León
Francisco Pando
Manuel Roche
as Federico, cauchero (uncredited)
Aurora Ruiz
as Sirvienta (uncredited)
Ramón Sánchez
Ceferino Silva
as Pedro, empleado de Vellorini (uncredited)
Hernán Vera
as Botiquinero (uncredited)
Gregorio Walerstein
Producer
Manuel Esperón
Music
Rafael Portillo
Editor
Juan Bustillo Oro
Director
Rómulo Gallegos
Novel
Adaptation
Jack Draper
Director of Photography
Luis Moya
Production Design
Dolores Camarillo
Makeup Artist
Alfredo Ripstein Jr.
Production Manager
Manuel Rodriguez
Julio Cahero
Assistant Director
Juan Manuel Rodríguez
Sound
Alvaro Gonzalez
Camera Operator
Roberto Miranda
Costume Design
Pablo Álvarez
Script