Judy and her grandpa run a trolley between a train depot and a ghost town in Nevada, near the California border. Three spies intent of tracking down an atomic missile gone astray arrive. When the trolley breaks down, Judy and Grandpa unwittingly install the engine from the nearby crashed missile.
| Writing | Barry Shipman | Writer |
| Directing | Charles Lamont | Director |
| Sound | R. Dale Butts | Original Music Composer |
| Art | John McCarthy Jr. | Set Decoration |
| Crew | Howard Lydecker | Special Effects |
| Writing | Frank Gill Jr. | Story |
| Costume & Make-Up | Bob Mark | Makeup Artist |
| Crew | Theodore Lydecker | Special Effects |
| Editing | Tony Martinelli | Editor |
| Camera | Reggie Lanning | Director of Photography |
| Art | Frank Hotaling | Art Direction |
| Art | George Milo | Set Decoration |
| Production | Sidney Picker | Associate Producer |
| Costume & Make-Up | Adele Palmer | Costume Design |
