| Actor | Lone Fleming (as Betty Turner), César Burner (as Roger Whelan), María Elena Arpón (as Virginia White), José Thelman (as Pedro Candal), Rufino Inglés (as Insp. Oliveira), Verónica Llimerá (as Nina), Simón Arriaga (as Morgue keeper), Francisco Sanz (as Prof. Candal), Juan Cortés (as Coroner), Antonio Orengo (as Train engineer), María Silva (as Maria) |
| Director | Amando de Ossorio |
| Writer | Jesús Navarro Carrión, Amando de Ossorio |
| Links | http://www.imdb.com/title/tt0067500/ |
