When an experimental flying saucer crashes, secret agent Matt Helm has to bring back the secret weapons hidden on board.
| Writing | Donald Hamilton | Novel |
| Directing | Henry Levin | Director |
| Writing | Herbert Baker | Screenplay |
| Sound | Hugo Montenegro | Original Music Composer |
| Camera | Edward Colman | Director of Photography |
| Camera | Burnett Guffey | Director of Photography |
| Costume & Make-Up | Oleg Cassini | Costume Design |
| Production | Douglas Netter | Associate Producer |
| Editing | Harold F. Kress | Editor |
| Art | Richard Spero | Set Decoration |
| Production | Irving Allen | Producer |
| Art | Joseph C. Wright | Art Direction |
| Costume & Make-Up | Sy Devore | Wardrobe Designer |
| Sound | James Z. Flaster | Sound |
| Sound | Charles J. Rice | Sound Supervisor |
| Directing | James Curtis Havens | Second Unit Director |
| Sound | Jack Haynes | Sound |
| Production | Howard Pine | Unit Production Manager |
| Directing | Jerome M. Siegel | Assistant Director |
| Costume & Make-Up | Ben Lane | Makeup Supervisor |
| Crew | Danny Lee | Special Effects |
| Costume & Make-Up | Virginia Jones | Hairstylist |
| Art | Max Frankel | Property Master |
| Production | Dean Martin | Executive Producer |
| Crew | Nick Dimitri | Stunts |
| Crew | Carey Loftin | Stunts |
| Crew | Joe Gray | Stunts |
| Crew | John Indrisano | Stunts |
