Christopher Lee

Prof. Sir Alexander Saxton

Peter Cushing

Dr. Wells

Telly Savalas

Captain Kazan

Alberto de Mendoza

Father Pujardov

Silvia Tortosa

Countess Irina Petrovska

Julio Peña

Inspector Mirov

Ángel del Pozo

Yevtushenko

Helga Liné

Natasha

Alice Reinheart

Miss Jones

José Jaspe

Conductor Koniev

George Rigaud

Count Maryan Petrovski

Víctor Israel

Luggage Worker

Faith Clift

American Passenger, Miss Bennett (uncredited)

Juan Olaguibel

Creature

José Marco

Vorkin

José Canalejas

Russian Guard

Vicente Roca

Station Master

Hiroshi Kitatawa

Grashinski - the Locksmith (uncredited)

Barta Barri

First Telegraphist

Peter Beckman

Second Telegraphist (uncredited)

Allen Russell

Capt. O'Hagan (uncredited)

Fernando Villena

(uncredited)

Robert Rietti

Father Pujardov (voice)

Olive Gregg

Countess Irina Petrovski / Natasha / Miss Jones (voice)

Roger Delgado

Inspector Mirov (voice)

Eugenio Martín

Director

Julian Zimet

Screenplay

Arnaud d'Usseau

Screenplay

Bernard Gordon

Producer

José María Ramos

Production Supervisor

Ramiro Gómez

Production Design

Robert C. Dearberg

Editor

Ramiro Gómez

Set Decoration

John Cacavas

Original Music Composer

Alejandro Ulloa

Director of Photography

Gregorio Sacristán

Associate Producer

Jesús Mateos

Decorator

Fernando Pérez

Special Effects

Rafael Berraquero

Assistant Makeup Artist

Romana González

Assistant Hairstylist

Enrique Molinero

Sound Mixer

Mari Carmen Taberner

Assistant Editor

José Luis Rubio

Production Assistant

Fernando Florido

Makeup Artist

Rafael Pérez Murcia

Assistant Art Director

Antonio Illán

Sound Supervisor

Simón López

Still Photographer

Luis Peña

Focus Puller

Juan Gracia

Unit Production Manager

Fernando Megino

Assistant Editor

Andrés Fernández

Wardrobe Master

Pablo Pérez

Special Effects

Manuel Ferreiro

Boom Operator

Luis López Díaz

Sound Recordist

Carmen Alonso

Assistant Editor

María Nieves Ruiz

Hairstylist

Antonio Vega

Assistant Camera

Isabel Ruiz Capillas

Script Supervisor

Charles Simminger

Wardrobe Supervisor

Katrina Bayonas

Unit Publicist

Julián Ruiz

Makeup Supervisor

Gil Carretero

Assistant Director

Vicente Escrivá hijo

Second Assistant Director

John Chisholm

Props

Julián Martín

Painter

Teo Escamilla

Camera Operator

John W. Campbell Jr.

Novel

Eugenio Martín

Story

Carmen Manzano

Wardrobe Master