No desearás al vecino del quinto (Thou Shalt Not Covet Thy Fifth Floor Neighbor, released in Italy as Due ragazzi da marciapiede) is a 1970 Spanish-Italian sex comedy film directed by Tito Fernández and starring Alfredo Landa, Jean Sorel, and Ira von Fürstenberg. The film was one of the biggest commercial successes in Spain in the 1970s, watched by over 4 million people.
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