Possible Clues:

• River monuments heartlessly vandalised send everyone away
• All leave the stage
• Stage direction meaning all go out
• Use men next in order to keep old direction in house?
• Old cat enters unseen changing direction in play
• Ultimately every actor goes in this direction
• Stage direction (Latin)
• All players are sent off in this direction
• Treat 'em next - no use getting all out
• Everybody out!