Elenco - O Escorpião Negro
Richard Denning
Hank Scott
Mara Corday
Teresa Alvarez
Carlos Rivas
Artur Ramos
Mario Navarro
Juanito
Carlos Múzquiz
Dr. Velazco
Pascual García Peña
José de la Cruz
Fanny Schiller
Florentina
Arturo Martínez
Major CosioPedro Galván
Father DelgadoJosé Chávez
Train conductor (uncredited)Manuel Sánchez Navarro
Victor Steven (uncredited)
Roberto Contreras
Chumacho (uncredited)
Quintín Bulnes
Lineman killed on pole (uncredited)Isabel Vázquez
Villager (uncredited)Leonor Gómez
Villager (uncredited)
Bob Johnson
Narrator (voice) (uncredited)