Martians replace scientist & his family to pave way for invasion.
Kent Taylor
as Dr. David Fielding
Marie Windsor
as Claire Fielding
William Mims
as Dr. Web Spencer
Betty Beall
as Judi Fielding
Lowell Brown
as Frank Hazard
Gregg Shank
as Rocky Fielding
Henrietta Moore
as Miss Moore
Troy Melton
as Police Officer
George Riley
as Cab Driver