The Office of Scientific Investigations tracks down the source of increased magnetism and radioactivity in Los Angeles, and discovers that a man-made isotope is consuming available energy from nearby mass every few hours, doubling its size in the process. Although microscopic, it will soon become big enough to destroy Earth; and how to stop it is yet to be determined. The film's Deltatron special effects footage is taken from the 1934 German sci-fi film GOLD.
Genres:
Richard Carlson as Dr. Jeffrey Stewart
King Donovan as Dr. Dan Forbes
Leo Britt as Dr. Benton
Jean Byron as Connie Stewart
Harry Ellerbe as Dr. Allard
Frank Gerstle as Col. Willis
John Vosper as Capt. Dyer
Byron Foulger as Mr. Simon
Leonard Mudie as Howard Denker
Kathleen Freeman as Nelly
William Benedict as Albert
John Zaremba as Chief Watson
Douglas Evans as Pilot
Strother Martin as Co-Pilot
Michael Fox as Dr. Serny
Watson Downs as Mayor
Lee Phelps as City Engineer
Roy Engel as Gen. Behan
John Dodsworth as Dr. Carthwright
Charles Williams as Cabbie
Michael Granger as Kenneth Smith
Jarma Lewis as Stewardess
Elizabeth Root as Joy
Juney Ellis as Spinster
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