Possible Clues:

• It's been said many times and it needs to be said when they're play-acting!
• Turns up, laid on own goal in the middle in fluent passage, in a manner of speaking
• Lines of communication
• Dreary record heard in conversation
• Lines spoken in films, books etc
• Words spoken in a play
• Face villain that doesn't start conversation
• The speech in a play
• Conversation between two people
• Double-talk?