Onder andere met: Lone Fleming (Betty Turner), César Burner (Roger Whelan), María Elena Arpón (Virginia White (as Helen Harp)), José Thelman (Pedro Candal (as Joseph Thelman)), Rufino Inglés (Insp. Oliveira), Verónica Llimera (Nina), Simón Arriaga (Morgue keeper), Francisco Sanz (Prof. Candal (librarian)), Juan Cortés (Coroner), Andrés Isbert , Antonio Orengo (Train engineer), José Camoiras , María Silva (Maria)