| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alejandro Ulloa | Crew | Camera | Director of Photography |
 Arnaud d'Usseau | Crew | Writing | Screenplay |
Bernard Gordon | Crew | Production | Producer |
Charles Simminger | Crew | Costume & Make-Up | Wardrobe Supervisor |
Enrique Molinero | Crew | Sound | Sound Mixer |
 Eugenio Martín | Crew | Directing | Director |
Fernando Florido | Crew | Costume & Make-Up | Makeup Artist |
Gil Carretero | Crew | Directing | Assistant Director |
Gregorio Sacristán | Crew | Production | Associate Producer |
 John Cacavas | Crew | Sound | Original Music Composer |
José Luis Rubio | Crew | Production | Production Assistant |
José María Ramos | Crew | Production | Production Supervisor |
Julian Zimet | Crew | Writing | Screenplay |
Julián Ruiz | Crew | Costume & Make-Up | Makeup Supervisor |
Katrina Bayonas | Crew | Crew | Unit Publicist |
Pablo Pérez | Crew | Crew | Special Effects |
Ramiro Gómez | Crew | Art | Production Design, Set Decoration |
Robert C. Dearberg | Crew | Editing | Editor |
 Teo Escamilla | Crew | Camera | Camera Operator |
Vicente Escrivá hijo | Crew | Directing | Second Assistant Director |
Fernando Pérez | Crew | Crew | Special Effects |
John Chisholm | Crew | Art | Props |
Isabel Ruiz Capillas | Crew | Directing | Script Supervisor |
Romana González | Crew | Costume & Make-Up | Assistant Hairstylist |
Jesús Mateos | Crew | Art | Decorator |
Juan Gracia | Crew | Production | Unit Production Manager |
Julián Martín | Crew | Art | Painter |
Simón López | Crew | Camera | Still Photographer |
Manuel Ferreiro | Crew | Sound | Boom Operator |
Antonio Illán | Crew | Sound | Sound Supervisor |
María Nieves Ruiz | Crew | Costume & Make-Up | Hairstylist |
Andrés Fernández | Crew | Costume & Make-Up | Wardrobe Master |
Gene Martin | Crew | Writing | Story |
Rafael Berraquero | Crew | Costume & Make-Up | Assistant Makeup Artist |
Rafael Pérez Murcia | Crew | Art | Assistant Art Director |
Fernando Megino | Crew | Editing | Assistant Editor |
Carmen Alonso | Crew | Editing | Assistant Editor |
Luis López Díaz | Crew | Sound | Sound Recordist |
Luis Peña | Crew | Camera | Focus Puller |
Antonio Vega | Crew | Camera | Assistant Camera |
Mari Carmen Taberner | Crew | Editing | Assistant Editor |
 Alberto de Mendoza | Cast | Actor | Father Pujardov |
 Alice Reinheart | Cast | Actress | Miss Jones |
 Barta Barri | Cast | Actor | First Telegraphist |
 Christopher Lee | Cast | Actor | Prof. Sir Alexander Saxton |
Faith Clift | Cast | American Passenger, Miss Bennett (uncredited) | |
Fernando Villena | Cast | Actor | (uncredited) |
 George Rigaud | Cast | Actor | Count Maryan Petrovski |
 Helga Liné | Cast | Actress | Natasha |
 José Canalejas | Cast | Actor | Russian Guard |
 José Jaspe | Cast | Actor | Conductor Koniev |
 Juan Olaguivel | Cast | Actor | Creature |
 Julio Peña | Cast | Actor | Inspector Mirov |
 Peter Cushing | Cast | Actor | Dr. Wells |
 Silvia Tortosa | Cast | Actress | Countess Irina Petrovska |
 Telly Savalas | Cast | Actor | Captain Kazan |
 Vicente Roca | Cast | Actor | Station Master |
 Víctor Israel | Cast | Actor | Luggage Worker |
 Ángel del Pozo | Cast | Actor | Yevtushenko |
Hiroshi Kitatawa | Cast | Grashinski - the Locksmith (uncredited) | |
 José Marco | Cast | Actor | Vorkin |
Peter Beckman | Cast | Second Telegraphist (uncredited) | |
Allen Russell | Cast | Capt. O'Hagan (uncredited) | |
| Person | Type | Job | Role(s) |
