Martians replace scientist & his family to pave way for invasion.
Movie tag line: "Strange Invisible Astro-Energy Unleashed Leaves Mankind A Human Shell As It Destroys His Body And Brain!"
Production companies:
Character: Dr. David Fielding
Character: Claire Fielding
Character: Dr. Web Spencer
Character: Judi Fielding
Character: Frank Hazard
Character: Rocky Fielding
Character: Miss Moore
Character: Police Officer
Character: Cab Driver