The Incredible Shrinking Man (1957)

The Incredible Shrinking Man
Science Fiction, Horror
A dangerous combination of radiation and insecticide causes the unfortunate Scott Carey to shrink, slowly but surely, until he is only a few inches tall. His home becomes a wilderness where he must survive everything from spiders living in the cellar to his beloved cat.
Starring
Grant Williams, Randy Stuart, April Kent, Paul Langton, Raymond Bailey, William Schallert, Frank J. Scannell, Helene Marshall, Diana Darrin, Billy Curtis
Directed By
Jack Arnold