Possible Clues:

• Co-star of Burt in "The Killers"
• 'When They See Us' director DuVernay
• Gardner of "On the Beach"
• Gardner of 'On the Beach'
• Actress Gardner of "Mogambo"
• Pop singer ___ Max
• Gardner of the screen
• Gregory's 'On the Beach' co-star
• "Abbott Elementary" principal
• Sinatra's Gardner