Possible Clues:

• No heart (anag.)
• One more alien on Earth
• Answer message containing hospital reading for somebody else
• That's a different hymn, by the sound of it
• 'A him, perhaps, but a different one (7)'
• The Nora Batty is someone else!
• A further (item)
• Bar request
• Second drink from anonymous person?
• A different (thing)