Directed by
| Curtis Harrington | ... | (as John Sebastian) |
| Pavel Klushantsev | ... | (uncredited) |
Writing Credits
| Curtis Harrington | ... | (written by) (as John Sebastian) |
| Aleksandr Kazantsev | ... | (uncredited) |
| Pavel Klushantsev | ... | (uncredited) |
Cast (in credits order) verified as complete
| Basil Rathbone | ... | Prof. Hartman - Lunar 7 | |
| Faith Domergue | ... | Dr. Marsha Evans - Vega | |
 |
Marc Shannon | ||
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Christopher Brand | ||
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John Bix | ... | John the Robot |
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Lewis Keane | ||
| Gennadi Vernov | ... | Andre Ferneau - Sirius (archive footage) (as Robert Chantal) | |
| Georgi Zhzhyonov | ... | Hans Walters - Sirius (archive footage) (as Kurt Boden) | |
| Rest of cast listed alphabetically: | |||
| Vladimir Emelyanov | ... | Cmdr. Brendan Lockhart - Sirius (archive footage) (uncredited) | |
| Yuriy Sarantsev | ... | Allen Sherman - Vega (archive footage) (uncredited) | |
| Georgiy Teykh | ... | Dr. Kern - Vega (uncredited) | |
Produced by
| Roger Corman | ... | executive producer (uncredited) |
| George Edwards | ... | producer |
| Stephanie Rothman | ... | associate producer |
Music by
| Ronald Stein | ||
Cinematography by
| Vilis Lapenieks | ... | director of photography |
| Arkadi Klimov | ... | (uncredited) |
Editing by
| Leo H. Shreve | ... | (as Leo Shreve) |
| Volt Suslov | ... | (uncredited) |
Production Design by
| Vyacheslav Aleksandrov | ... | (uncredited) |
| Mikhail Tsybasov | ... | (uncredited) |
Art Direction by
| Al Locatelli | ... | (as Albert Locatelli) |
Set Decoration by
| Leon Smith | ||
Makeup Department
| William Condos | ... | makeup artist |
| George Spicer | ... | hair stylist |
Production Management
| Gary Kurtz | ... | production manager |
Art Department
| John Cline | ... | paintings: opening titles |
| Carl Schanzer | ... | property master |
Sound Department
| Harold Garver | ... | sound |
| Gene Corso | ... | sound effects (uncredited) |
| James Nelson | ... | sound effects (uncredited) |
Costume and Wardrobe Department
| Sharon Compton | ... | wardrobe supervisor |
Script and Continuity Department
| Barbara Bohrer | ... | script supervisor |
Additional Crew
| Pavel Klushantsev | ... | director: archive footage (uncredited) |
