Американец обманул десятки девушек что они будут сниматься в фильмах для взрослы,но он просто испол / истории успеха

Ты такой скучный.

Откуда 550к?
550 USD вроде написано.
(источник не открывал)

нет.

Читаем:
Despite popular belief, oral contracts are enforceable. They usually are not in your best interests, and end in a "he said, she said" battle. But as long as there is enough evidence, a court will enforce an oral agreement.

Но:
Contract law clearly doesn't favor oral contracts. They're difficult to prove, and often form the basis of fraud. So the next time you make an agreement, get it in writing.