Stavros Is Cunning!(1970)

Original title: Ο Σταύρος είναι πονηρός

An advertising executive, in order to deal with his financial problems, uses his talent to impersonate the Italian son of a businessman, the fruit of a youthful passion. His appearance will cause a lot of turmoil and misunderstandings. When the owner of his office comes to ask for his overdue rent, he is accompanied by a client from Italy.