Possible Clues:

• 'We must be strangers; Nor would I have you seen here for a --' (Massinger, A New Way To Pay Old Debts)
• Something charged after factory supplies large number
• It's cool, supposedly
• M
• Ten thousand hundreds
• 14 (2004) featuring Billy Idol (abnormal cast)
• Plant one on one with six noughts
• No, I'm turning rich with about the beginning of 10 across
• What M may represent
• See 18 Across