Possible Clues:

• Those finishing 15 across for school rogues
• Director from Elvis, Rocky and Spooks?
• 13/21A leading to Berwick-upon-Tweed
• Really annoys
• Naughty people dress oddly around 6.50
• Saint continued turning wicked people
• Evil spirits
• Imps are little ones
• Bruce Springsteen "___ & Dust"
• Old leader is hiding little from those who look after their own, in tempting business