El Santo as Santo

Rodolfo de Anda as Cesar Harker / Eric Harker

Nubia Martí as Eloisa

Jorge Russek as (as Jorge Rusek)

Gloria Mayo as Adriana

Federico Falcón as Jaime Pons

Erika Carlsson as Luba

Carlos Suárez as Gitano

Rosa Furman as Ana

Bruno Rey as Captain Pacheco

Tamara Garina as Luba

Carlos Jordán as Dr. Jeremias Marcus

Emilia Carranza as Julieta

Roberto Meyer as Matias, the stationmaster

Nora Wolff as

Guillermo Ayala as

Patricia Borges as

Luis Barba as