When a couple are killed in an auto accident their bodies are immediately inhabited by extraterrestrial beings. Taking refuge in an underground cave, the aliens attempt to sabotage the U.S. space program.
| Camera | W. Merle Connell | Director of Photography |
| Writing | Phil Tucker | Screenplay |
| Directing | Phil Tucker | Director |
| Production | Richard Greer | Producer |
| Editing | Richard Greer | Editor |
| Production | Lionel Dichter | Executive Producer |
| Sound | Gene Kauer | Original Music Composer |
| Art | Ken Letvin | Production Design |
| Writing | Phil Tucker | Original Story |
| Costume & Make-Up | Phil Schere | Makeup Designer |
| Sound | William Hinshaw | Music Director |
| Sound | Dale Knight | Sound Engineer |
| Sound | Larry Aicholtz | Sound Engineer |
| Art | Fred Garcia | Set Designer |
