Related Clues:

• 'That's incredible!'
• See 30-Across
• Bloke
• See 41-Down
• Fellow
• Geezer
• Homo sapiens
• ''Yikes!''
• Date or age beginning
• 'Good grief!'
• Dude
• See 27-Down
• Cry of dismay
• See 34-Down
• The human race