O Escorpião Negro

Richard Denning

as Hank Scott

Mara Corday

as Teresa Alvarez

Carlos Rivas

as Artur Ramos

Mario Navarro

as Juanito

Carlos Múzquiz

as Dr. Velazco

Pascual García Peña

as José de la Cruz

Fanny Schiller

as Florentina

Arturo Martínez

as Major Cosio

Pedro Galván

as Father Delgado

José Chávez

as Train conductor (uncredited)

Manuel Sánchez Navarro

as Victor Steven (uncredited)

Roberto Contreras

as Chumacho (uncredited)

Quintín Bulnes

as Lineman killed on pole (uncredited)

Isabel Vázquez

as Villager (uncredited)

Leonor Gómez

as Villager (uncredited)

Bob Johnson

as Narrator (voice) (uncredited)