Fifty spaceships, each three miles across, hover ominously above Earth's major cities. The Visitors that emerge are humanlike in appearance and extend the hand of friendship. Our planet's resources are just what these aliens need to survive. And for its future survival, unsuspecting humankind will need... a miracle!

• Jane Badler
• Michael Durrell
• Faye Grant
• Peter Nelson
• David Packer
• Neva Patterson
• Tommy Petersen
• Marc Singer