The Rocket from Calabuch
Calabuch (original)
Professor Hamilton, a naive Nuclear scientist who once thought bombs were good for humanity, realizes his mistake and runs away from his inventions. He hides in Calabuch, a beautiful seaside town where people still believe in humor and friendship.
Starring Edmund Gwenn, Valentina Cortese, Juan Calvo, Franco Fabrizi, Félix Fernández, Francisco Bernal, Nicolás D. Perchicot, Mario Berriatúa, María Vico, Isa Ferreiro
Watch "The Rocket from Calabuch" from streaming services Criterion Channel, FlixOlè released in 1956. It's a comedy movie, and has a rating of 7.3 out of 10 from Imdb which is usually fine for this kind of movie.