Possible Clues:

• Clark's 'Mogambo' co-star
• Smashing Pumpkins "___ Adore"
• One of Mickey's exes
• Gardner of 'The Night of the Iguana'
• Gardner of "One Touch of Venus"
• Gardner of old Hollywood
• "Origin" director DuVernay
• An ex of Mickey
• Ex of Mickey, Artie and Frank
• "13th" director DuVernay