Aliens have landed and are hiding on Earth, but need Earth’s scientists to help them fight an inter-planetary war.
| Directing | Joseph M. Newman | Director |
| Writing | Franklin Coen | Screenplay |
| Production | William Alland | Producer |
| Camera | Clifford Stine | Director of Photography |
| Editing | Virgil W. Vogel | Editor |
| Art | Alexander Golitzen | Art Direction |
| Art | Richard H. Riedel | Art Direction |
| Art | Russell A. Gausman | Set Decoration |
| Art | Julia Heron | Set Decoration |
| Costume & Make-Up | Rosemary Odell | Costume Design |
| Costume & Make-Up | Joan St. Oegger | Hairstylist |
| Costume & Make-Up | Bud Westmore | Makeup Artist |
| Writing | Raymond F. Jones | Story |
| Writing | George Callahan | Screenplay |
| Visual Effects | Roswell A. Hoffmann | Visual Effects |
