Possible Clues:

• Franco and Hathaway on Oscar night 2011
• Great numbers of those who entertain?
• Innkeepers
• Very numerous entertainers
• Regis and Kelly, e.g.
• Letterman, Leno, etc.
• They entertain guests
• Entertainers first to leave Ibsen play
• What London hope to play in two thousand and twelve
• They welcome Olympic guests