J.C. Chandor has an Oscar nomination for `` Margin Call '' screenplay . The film was directed by John Frankenheimer and stars Robert De Niro as a New York City stock broker who is forced to take on the task of protecting his wife from her husband's mob Movie concerns Wall Street firm holding bad paper at risk of going under .
J.C. Chandor has an Oscar nomination for `` Margin Call '' screenplay . Script attracted name actors , but it was hard to get financing , he says . Movie concerns Wall Street firm holding bad paper at risk of going under .