Directed by
| William Castle | ||
Writing Credits (in alphabetical order)
| Leslie P. Davies | ... | (novels) |
| Edmund Morris | ... | (writer) |
Cast (in credits order) complete, awaiting verification
| Christopher George | ... | Hagen Arnold | |
| Greta Baldwin | ... | Karen Summers | |
| Henry Jones | ... | Dr. Crowther | |
| Monte Markham | ... | Gregory Gallea | |
| Harold Gould | ... | Col. Holt | |
| Phillip Pine | ... | Dr. Lee Craig (as Phillip E. Pine) | |
| Lee Delano | ... | Dr. Tony Verity | |
| Ivan Bonar | ... | Col. Cowen | |
 |
Robert Cleaves | ... | Dr. George Tarvin |
|
|
Charles Irving | ... | Maj. Tolley |
|
|
Sheila Bartold | ... | Sybil Dennis |
| Patrick Wright | ... | Stover | |
|
|
Maryesther Denver | ... | Overseer |
| Keye Luke | ... | Sen Chiu (as Key Luke) | |
| Ed Prentiss | ... | Hicks | |
| Rest of cast listed alphabetically: | |||
|
|
Walt Davis | ... | Highway Patrolman (uncredited) |
Produced by
| Joseph Barbera | ... | producer: special sequences |
| William Castle | ... | producer |
| William Hanna | ... | producer: special sequences |
| Dona Holloway | ... | associate producer |
Music by
| Van Cleave | ||
Cinematography by
| Harold E. Stine | ... | (as Harold Stine) |
Editing by
| Edwin H. Bryant | ||
Art Direction by
| Hal Pereira | ||
| Walter H. Tyler | ... | (as Walter Tyler) |
Set Decoration by
| Robert R. Benton | ... | (as Robert Benton) |
| Joseph J. Stone | ... | (as Joseph Stone) |
Makeup Department
| Nellie Manley | ... | hair style supervisor |
| Wally Westmore | ... | makeup supervisor |
| Marvin G. Westmore | ... | makeup artist (uncredited) |
Production Management
| William W. Gray | ... | unit production manager |
| Frank Caffey | ... | production manager (uncredited) |
| Curtis Mick | ... | assistant production manager (uncredited) |
Second Unit Director or Assistant Director
| Michael Caffey | ... | assistant director |
| Willard Kirkham | ... | first assistant director: special sequences |
| Charles Bohart | ... | assistant director (uncredited) |
Art Department
| Alex Toth | ... | production designer: special sequences |
| Carl Urbano | ... | production designer: special sequences |
Sound Department
| Garry A. Harris | ... | sound recordist |
| John Wilkinson | ... | sound recordist |
| Robert J. Callen | ... | sound recordist (uncredited) |
| Rocky Nelson | ... | sound recordist (uncredited) |
Special Effects by
| Chet Johns | ... | special effects (uncredited) |
Visual Effects by
| Paul K. Lerpae | ... | special photographic effects |
Stunts
| Larry Duran | ... | stunts (uncredited) |
| Kenny Endoso | ... | stunts (uncredited) |
| Hubie Kerns | ... | stunts (uncredited) |
| Earl Parker | ... | stunts (uncredited) |
Camera and Electrical Department
| Kenneth Peach | ... | director of photography: special sequences |
| Frank Dugas | ... | camera operator (uncredited) |
| Robert W. Full | ... | still photographer (uncredited) |
| Paul Weddell | ... | assistant camera (uncredited) |
Costume and Wardrobe Department
| Robert Magahay | ... | wardrobe (uncredited) |
| Shirlee Strahm | ... | wardrobe (uncredited) |
Music Department
| Pete Carpenter | ... | orchestrator (uncredited) |
| Gus Levene | ... | orchestrator (uncredited) |
| William Loose | ... | orchestrator (uncredited) |
| Fred Steiner | ... | orchestrator (uncredited) |
| Tommy Tedesco | ... | musician: guitar (uncredited) |
Script and Continuity Department
| Luanna S. Poole | ... | script supervisor (uncredited) |
Additional Crew
| Wally Burr | ... | live action director: special sequences |
| Hawk Koch | ... | dialogue coach (uncredited) |
