Obsada:

• Christopher Lee Sir Alexander Saxton
• Peter Cushing Dr. Wells
• 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
• Juan Olaguivel Creature
• Barta Barri First Telegraphist
• Peter Beckman
• Hiroshi Kitatawa Krasinsky
• Vicente Roca Station Master
• José Canalejas Russian Guard
• José Marco Vorkin
• Allen Russell Captain O'Hagan
• Telly Savalas Captain Kazan
• Al Pereira Gentleman in Train Station
• Fernando Villena