Directed by
| Harry Hope | ... | (directed by) |
| Lee Sholem | ... | (directed by) |
| Herbert J. Leder | ... | (uncredited) |
Writing Credits
| Stuart J. Byrne | ... | (original story by) (as Stuart James Byrne) |
| Stuart J. Byrne | ... | (screenplay by) (as Stuart James Byrne) |
Cast (in credits order)
| Bobby Van | ... | Danny | |
| Ruta Lee | ... | Dr. Marion Turner | |
| Mala Powers | ... | Maj. Georgianna Bronski | |
| James Craig | ... | Dr. Haines | |
| Grant Williams | ... | Maj. Kurt Mason | |
| Henry Wilcoxon | ... | Dr. Christopher Perry | |
| Chia Essie Lin | ... | Girl Spy (as Essie Lin Chia) | |
| Casey Kasem | ... | Mission Control Officer | |
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Lorri Scott | ... | Lt. Katie Carlson |
| Denny Miller | ... | Col. Don Price (as Scott Miller) | |
| Mike Farrell | ... | 1st Reporter | |
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John Cestare | ||
| Raymond Mayo | |||
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Frank Gambina | ||
| Mark Bailey | ... | Major / Astronaut | |
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Leo Ramirez | ||
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Anthony Loder | ||
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Steven Roberts | ||
| Win De Lugo | ... | (as Winston DeLugo) | |
| Gabriel Curtiz | ... | (as Gabor Curtiz) | |
| Mary Meade | ... | Woman Reporter (as Mary Meade French) | |
| Josh Peine | |||
| Michael Christian | |||
| Robert Swan | |||
| Ted Markland | |||
| Karl Bruck | |||
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Skip Battyn | ||
| Rest of cast listed alphabetically: | |||
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Stuart J. Byrne | ... | (uncredited) (unconfirmed) |
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Harry Hope | ... | (uncredited) (unconfirmed) |
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Jane Williams | ... | (uncredited) (unconfirmed) |
Produced by
| Harry Hope | ... | producer (produced by) |
| Oscar Nichols | ... | executive producer (as Oscar L. Nichols) |
Cinematography by
| Stanley Cortez | ... | director of photography |
Art Direction by
| James E. Schwarm | ||
Production Management
| Charles Hammon | ... | post-production supervisor |
Art Department
| David R. Smith | ... | set constructor |
Visual Effects by
| William C. Davies | ... | director of special effects photography |
| David L. Hewitt | ... | creator of special visual effects |
| Mike Nussman | ... | director of special effects lighting |
Music Department
| Bebe Barron | ... | composer: stock music (uncredited) |
| Louis Barron | ... | composer: stock music (uncredited) |
