Related Clues:

• Early hour
• Binary digit
• With 30-Down, combination punch
• Self starter
• Die face
• "Take ___"
• Lunch hour, for some
• "A Chorus Line" showstopper
• 50/50
• 'A Chorus Line' song
• ___ of a kind
• Leading figure
• With 25-Across, 50%
• The loneliest number
• Unit