Possible Clues:

• Palindromic wonan's name
• DuVernay who directed 'Selma'
• Gardner of "Mogambo"
• Frank's wife before Mia
• 'Queen Sugar' creator DuVernay
• Palindromic woman's name
• An ex of Frank
• Gardner of old films
• “Selma” director DuVernay
• Clark's "Mogambo" costar