About a young radio cop and a beautiful girl try to stop an international criminal gang from getting their hands on the formula for a new bulletproof steel.

Grant Withers
as Officer Pat O'Hara

Adrian Morris
as Officer Sam Maloney

Kay Hughes
as Molly Selkirk

Mickey Rentschler
as Pinky Adams

Silver Wolf
as Irish

Gordon Hart
as W.H. Harrison

Frank Lackteen
as Mr. Tahata, alias Warner the Great

C. Montague Shaw
as Mr. Wellington

Harry Davenport
as John P. Adams, inventor

Wheeler Oakman
as Stevens, gang chemist