Directed by
| Jim O'Connolly | ... | (as James O'Connolly) |
Writing Credits
| William Bast | ... | (screenplay) (as William E. Bast) |
| Julian More | ... | (additional material) |
| Willis H. O'Brien | ... | (earlier film project "Gwangi") (uncredited) |
Cast (in credits order) verified as complete
| James Franciscus | ... | Tuck Kirby | |
| Gila Golan | ... | T.J. Breckenridge | |
| Richard Carlson | ... | Champ Connors | |
| Laurence Naismith | ... | Professor Bromley | |
| Freda Jackson | ... | Tia Zorina - the Witch | |
| Gustavo Rojo | ... | Carlos dos Orsos | |
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Dennis Kilbane | ... | Rowdy |
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Mario De Barros | ... | Bean |
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Curtis Arden | ... | Lope |
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Jose Burgos | ... | The Dwarf |
| Rest of cast listed alphabetically: | |||
| Robert Rietty | ... | Carlos (voice) (uncredited) | |
Produced by
| Ray Harryhausen | ... | associate producer |
| Charles H. Schneer | ... | producer |
Music by
| Jerome Moross | ||
Cinematography by
| Erwin Hillier | ... | director of photography |
Editing by
| Henry Richardson | ||
Art Direction by
| Gil Parrondo | ||
Costume Design by
| John Furniss | ... | wardrobe designer |
Production Management
| Miguel Gil | ... | production manager |
| Luis Roberts | ... | production supervisor |
Second Unit Director or Assistant Director
| Pedro Vidal | ... | assistant director |
| Carlos Gil | ... | assistant director (uncredited) |
| Ricardo Huertas | ... | first assistant director: second unit (uncredited) |
Art Department
| Frank McCarthy | ... | poster artist |
| Francisco Prósper | ... | construction coordinator (uncredited) |
Sound Department
| Philip Bottomley | ... | dubbing editor |
| Selwyn Petterson | ... | dubbing editor / sound editor |
| Malcolm Stewart | ... | sound (as Malcolm Steward) |
| Bill Creed | ... | sound (uncredited) |
Special Effects by
| Antonio Baquero | ... | special effects (uncredited) |
| Manuel Baquero | ... | special effects (uncredited) |
Visual Effects by
| Ray Harryhausen | ... | creator of visual effects |
| John Grant | ... | matte camera (uncredited) |
| Peter Harman | ... | matte camera (uncredited) |
| Arthur Hayward | ... | creature sculptor (uncredited) |
| Gerald Larn | ... | matte painter (uncredited) |
Camera and Electrical Department
| Alec Mills | ... | camera operator |
Costume and Wardrobe Department
| Tony Pueo | ... | wardrobe supervisor (as Antonio Pueo) |
Music Department
| Jerome Moross | ... | conductor |
| Gary Hughes | ... | orchestrator (uncredited) |
Script and Continuity Department
| Gladys Goldsmith | ... | continuity |
Additional Crew
| Juan Maján | ... | horse master (as Juan Majan) |
| Antonio Saura | ... | title designer |
