Director/a
Eugenio Martín
DIRECTOR/A
Reparto (por orden de créditos)
Christopher Lee
Prof. Sir Alexander Saxton
Peter Cushing
Doctor Wells
Alberto de Mendoza
Father Pujardov
Telly Savalas
Capt. Kazan
Silvia Tortosa
Countess Irina Petrovski
Julio Peña
Inspector Mirov
George Rigaud
Count Maryan Petrovski
Ángel del Pozo
Yevtuchenko
Víctor Israel
Maletero - Baggage Man
Helga Liné
Natasha
Alice Reinheart
Miss Jones
José Jaspe
Konev - Conductor
Vicente Roca
Station Master
Juan Olaguivel
Creature
José Canalejas
Russian Guard
Barta Barri
First Telegraphist
Fernando Villena
Third Telegraphist
José Marco
Vorkin
Faith Clift
Miss Bennett - American Passenger
Peter Beckman
Second Telegraphist
Hiroshi Kitatawa
Grashinski - Locksmith
Allen Russell
Capt. O'Hagan