Possible Clues:

• Angel needs hour to stop fiendish malice
• Kirk's son
• Chap I'm backing with each moving line
• Actor producing a cliche in a state
• 'Little House on the Prairie' co-star [3]
• Singer George
• English cricket captain fined for ball-tampering in 1994
• With 40-Across, 'King of Pop'
• George who sang 'I Want Your 7-Down'
• The misguided claim he's a saint