René Goscinny and Albert Uderzo, the creators of the series, wrote the story and directed the film themselves; with co-direction by Pierre Watrin and the screenplay co-written by Pierre Tchernia, a friend of Goscinny and Uderzo.
René Goscinny e Albert Uderzo, os creadores da serie, escribiron a historia e dirixiron o filme eles mesmos, contando coa co-dirección de Pierre Watrin e co guionista Pierre Tchernia, un amigo de Goscinny e Uderzo.