Directed by
| Sutton Roley | ||
Writing Credits
| Harry Spalding | ... | (screen story) (as H.B. Cross) |
| Harry Spalding | ... | (screenplay) (as H.B. Cross) & |
| Joe Reb Moffly | ... | (screenplay) |
Cast (in credits order) complete, awaiting verification
| Jackie Cooper | ... | Raymond Couzins | |
| Alex Cord | ... | Steven Mayes | |
| Richard Jaeckel | ... | Major Gordon Ellis | |
| Bradford Dillman | ... | Peter Macomber | |
| Pedro Armendáriz Jr. | ... | Luis Cabral (as Pedro Armendariz Jr.) | |
| Diana Muldaur | ... | Alana Fitzgerald | |
| Lincoln Kilpatrick | ... | Woody Russo | |
| Gwenn Mitchell | ... | Carrie Draper | |
| Barbara Babcock | ... | Dr. Lenore Chrisman | |
 |
Cristina Moreno | ... | Kristin Lerner (as Christina Moreno) |
|
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Nancy Rodman | ... | Claire Farraday |
| Kelly Lange | ... | Mary Louise Borden | |
| Rest of cast listed alphabetically: | |||
| Conrad Hool | ... | Survivor (uncredited) | |
Produced by
| Leon Benson | ... | producer |
| Charles W. Fries | ... | producer (as Charles Fries) |
Music by
| Fred Karlin | ||
Cinematography by
| Gabriel Torres | ||
Editing by
| John F. Link | ... | (as John F. Link II) |
| Dennis Virkler | ||
Casting By
| Hoyt Bowers | ||
Art Direction by
| José Rodríguez Granada | ||
Set Decoration by
| Ernesto Carrasco | ||
Makeup Department
| María de Jesús Lepe | ... | hair stylist (as Ma. de Jesus Lepe) |
| Elda Loza | ... | makeup artist |
Production Management
| Alberto A. Ferrer | ... | assistant unit manager (as Alberto Ferrer) |
| Gary S. Gerlich | ... | post-production supervisor (as Gary Gerlich) |
| Russell Saunders | ... | unit manager |
| Joe Wonder | ... | production manager |
Second Unit Director or Assistant Director
| Felipe Palomino | ... | assistant director |
Art Department
| Antonio Mata | ... | property master |
Sound Department
| Paul Laune | ... | sound effects |
| Robert J. Litt | ... | sound recording supervisor |
| Richard Portman | ... | sound re-recordist |
| Rafael Ruiz Esparza | ... | sound mixer |
Special Effects by
| Federico Farfán | ... | special effects (as Federico Farfan) |
| Tony Urbano | ... | special effects: bat effects |
Camera and Electrical Department
| Gabriel Castro | ... | chief electric |
| Graciano Perez | ... | key grip |
| Leobardo Sánchez | ... | camera operator |
Costume and Wardrobe Department
| Alfonso Rubio | ... | costumer |
Location Management
| Robert Thorson | ... | location auditor (as Bob Thorson) |
Music Department
| Fred Karlin | ... | music performer |
| John Mick | ... | music editor |
Script and Continuity Department
| José Luis Ortega | ... | script supervisor (as Jose Luis Ortega) |
Additional Crew
| Elliot Friedgen | ... | production administrator |
| Willis Grant | ... | creative affairs executive |
| William Lopez Forment C. | ... | consultant: vampire bat / trainer: vampire bat |
| G. Clay Mitchell | ... | consultant: vampire bat (as Dr. G. Clay Mitchell) / trainer: vampire bat (as Dr. G. Clay Mitchell) |
| Arthur Stolnitz | ... | production executive (as Art Stolnitz) |
