When Chester accidentally memorises and destroys the only copy of a secret Russian formula for a new and improved rocket fuel, he and Harry are thrust into international intrigue, trying to stay alive while keeping the formula out of enemy hands.
| Production | Melvin Frank | Producer |
| Art | Roger K. Furse | Production Design |
| Art | Syd Cain | Art Direction |
| Art | William Hutchinson | Art Direction |
| Writing | Melvin Frank | Writer |
| Art | Maurice Fowler | Set Decoration |
| Editing | Alan Osbiston | Editor |
| Production | Sally Nicholl | Casting |
| Directing | Norman Panama | Director |
| Writing | Norman Panama | Writer |
| Editing | John C. Smith | Editor |
| Editing | John Victor-Smith | Editor |
| Sound | Robert Farnon | Original Music Composer |
| Costume & Make-Up | Anthony Mendleson | Costume Design |
| Camera | Jack Hildyard | Director of Photography |
| Art | Basil Mannin | Set Dresser |
| Camera | Michael Walter | Key Grip |
| Editing | Ray Thorne | Assistant Editor |
| Production | Bill Kirby | Production Supervisor |
| Sound | Sammy Cahn | Songs |
| Sound | Jimmy Van Heusen | Songs |
| Directing | Angela Martelli | Continuity |
| Directing | Pamela Davies | Continuity |
| Camera | Gerry Fisher | Camera Operator |
| Directing | Bluey Hill | Assistant Director |
| Sound | Buster Ambler | Sound |
| Sound | Bob Jones | Sound |
| Sound | Chris Greenham | Sound Editor |
| Sound | Lee Doig | Music Editor |
| Costume & Make-Up | David Aylott | Makeup Artist |
| Costume & Make-Up | Joan White | Hairstylist |
| Crew | Wally Veevers | Special Effects |
| Crew | Ted Samuels | Special Effects |
| Art | Maurice Binder | Main Title Designer |
