David Marshall Williams is sent to a prison farm where he works in the tool shop and eventually develops the precursor of the famous M-1 Carbine automatic rifle used in World War II.
James Stewart
Marsh Williams
Jean Hagen
Maggie Williams
Wendell Corey
Capt. H.T. Peoples
Carl Benton Reid
Claude Williams
Paul Stewart
'Dutch' Kruger
Otto Hulett
Mobley