In 1960, a pilot testing an experimental rocket powered aircraft accidentally flies into the future and finds himself in a sealed city whose people suspect he is a spy from outside their walls, but who want to keep him to procreate with the ruler's daughter because the majority of the inhabitants are sterile.

• Miller Consolidated Pictures (MCP)
• Robert Clarke
• Darlene Tompkins
• Vladimir Sokoloff
• Boyd 'Red' Morgan
• Stephen Bekassy
• John van Dreelen
• Arianne Ulmer
• Ken Knox