Possible Clues:

• Diana of "The Avengers"
• Diana of 'The Avengers'
• 'Mystery!' host Diana
• Tony winner Diana
• TV's Mrs. Peel
• Diana of ''The Avengers''
• Actress Diana
• Macnee's co-star in 'The Avengers'
• Mrs. Peel portrayer
• Mrs. Peel player