Possible Clues:

• Name in 'Fargo' credits
• "Blood Simple" director
• Either "A Serious Man" director
• Either of two credits on the ''True Grit'' remake
• 'The Hudsucker Proxy' director, 1994
• "Intolerable Cruelty" director, 2003
• Joel or Ethan of the film world
• Brother directors' surname
• Mashable editor Jessica
• Either "The Ballad of Buster Scruggs" filmmaker