Possible Clues:

• Loy of 'The Thin Man'
• Actress Loy
• Loy of "The Thin Man"
• She played Nora in 'The Thin Man'
• Nora, opposite Nick
• Oscar Madison's secretary
• Loy of old Hollywood
• She played Nora to William's Nick
• Loy of films
• William's "Thin Man" co-star