The film is based on the novel (of the same name) by the Chilean writer Francisco Coloane, and on the chronicles of the Romanian engineer Julius Popper, a nationalized Argentine and one of the principle actors in the genocide of the Selk'nam, one of the indigenous peoples who inhabited the Tierra del Fuego Archipelago.
Ornella Muti
as Armenia
Tamara Acosta
as Mennar
Nelson Villagra
as Novak
Álvaro Rudolphy
as Schaefer
Nancho Novo
as Silveira
Luis Alarcón
as Alexis
Uxía Blanco
as Mother Silveira
Jorge Perugorría
as Julius Popper
Claudio Santamaria
as Spiro
Mateo Iribarren
as
Ángel Parra
as