Related Clues:

• Self proclamation?
• Unhelpful response to 'Who's there?'
• Thespian’s greeting, perhaps
• Apologetic remark during a breakup
• Answer from behind a closed door
• Announcement made at a front door
• Knocker's identifying words
• Unhelpful reply to 'Who's this?'
• Clarification about an unrecognizable self-portrait
• Hammy introduction
• Unhelpful response to "Who's there?"
• 'It's not you, ___'
• 'I'm downstairs,' to a friend living in a high-rise apartment
• Part of a classic breakup line
• “Psst! I’m in disguise!”