Bumbling professor Ned Brainard accidentally invents flying rubber, or "Flubber", an incredible material that gains energy every time it strikes a hard surface. It allows for the invention of shoes that can allow jumps of amazing heights and enables a modified Model-T to fly. Unfortunately, no one is interested in the material except for Alonzo Hawk, a corrupt businessman who wants to steal the material for himself.
Fred MacMurray
as Ned Brainard
Nancy Olson
as Betsy Carlisle
Keenan Wynn
as Alonzo P. Hawk
Tommy Kirk
as Biff Hawk
Leon Ames
as Rufus Daggett
Elliott Reid
as Shelby Ashton
Edward Andrews
as Defense Secretary
David Lewis
as General Singer
Jack Mullaney
as Air Force Captain
Belle Montrose
as Mrs. Chatsworth
Wally Brown
as Coach Elkins
Wally Boag
as TV newsman
