Possible Clues:

• “I ne’er saw true beauty till this night” speaker
• ''. . . yonder window breaks'' speaker
• Bounder embracing yours truly, Casanova
• It follows Quebec in the NATO alphabet
• '___ Juliet'
• See 7-Down
• Tragic Shakespearean hero
• 'O ..., ..., wherefore are thou ....' (Shakespeare)
• Code word for the letter R
• Hero who's acted in Italian city with love