Norman Foster

as Detective Lt. Dave Britten

Judith Allen

as Mary Kennedy

Sidney Blackmer

as Raymond Cortell

Purnell Pratt

as Detective Lt. Jim Kennedy

Theodore von Eltz

as John C. Owen

Ford Sterling

as Max Schultz, German Janitor

Kenneth Thomson

as Charles T. 'Ritzy' Conrad

Lloyd Whitlock

as Assistant District Attorney

Edward Hearn

as Detective Brewster

Jane Meredith

as Mrs. Gorham

Edward Gargan

as Moran - a Cop

J. Carrol Naish

as Sam Dover