Tucked away in his castle, a hypochondriac inventor plays generous host to a revolving cast of wacky guests. But to pay off his mounting debts, he must sell either a powerful businessman or a rich gypsy on his latest creation: a laser skywriter.
| Directing | Henri Helman | Director |
| Camera | Norman G. Langley | Director of Photography |
| Writing | Berta Domínguez D. | Screenplay |
| Production | Terence Young | Executive Producer |
| Sound | Ivan Jullien | Original Music Composer |
| Sound | Hubert Rostaing | Original Music Composer |
| Editing | Peter Hollywood | Editor |
| Editing | Russell Lloyd | Editor |
| Art | Malcolm Stone | Art Direction |
| Camera | Fraser Taggart | Camera Production Assistant |
