Possible Clues:

• Charlton's "Earthquake" co-star
• Gardner once romantically linked to Frank Sinatra and Ernest Hemingway
• Gardner of the screen
• Ex-wife of Mickey and Frank
• Gardner of 'On the Beach'
• Actress Gardner of "Mogambo"
• Co-star of Burt in "The Killers"
• Gardner of "On the Beach"
• Gregory's 'On the Beach' co-star
• Sinatra's Gardner