Related Clues:

• Private lines
• Tangential comment
• Remark to the crowd
• Onstage thought bubble
• All kidding __
• Laterally
• Covert comment
• ''All kidding ___ ...''
• Theater comment
• To the left or right
• Dialogue that breaks the fourth wall
• House address
• Stage mutter
• Parenthetical script comment
• Private line?