Betty Turner
Lone Fleming
Roger Whelan
César Burner
José Camoiras
Maria
María Silva
Sacrificed maiden (uncredited)
Carmen Yazalde
Train engineer (voice) (uncredited)
Pedro Sempson
Nina
Verónica Llimerá
Virginia White
María Elena Arpón
Pedro Candal
José Thelman
Insp. Oliveira
Rufino Inglés
Morgue keeper
Simón Arriaga
Prof. Candal (librarian)
Francisco Sanz
Coroner
Juan Cortés
Andrés Isbert
Train engineer
Antonio Orengo
Original Music Composer
Antón García Abril
Director
Amando de Ossorio
Writer
Additional Dialogue
Jesús Navarro Carrión
Dialogue
Sound Recordist
José María San Mateo
Director of Photography
Pablo Ripoll
Makeup Artist
José Luis Campos
Executive Producer
Salvadore Romero
Set Designer
Jaime Duarte De Brito
Set Decoration
Juan García
Editor
José Antonio Rojo
José Antonio Pérez Giner
Production Design
Sound Effects
Luis Castro