Cosmo Jones, Crime Smasher

Frank Graham

Cosmo Jones

Edgar Kennedy

Police Chief Murphy

Gale Storm

Susan Fleming

Richard Cromwell

Sgt. Pat Flanagan

Mantan Moreland

Eustace Smith

Gwen Kenyon

Phyllis Blake

Herbert Rawlinson

Mr. James J. Blake

Tristram Coffin

Jake Pelotti

Charles Jordan

Biff Garr

Vince Barnett

Henchman 'Gimp'

Emmett Vogan

Police Commissioner Gould

Maxine Leslie

Mrs. Jake Pelotti

Mauritz Hugo

Tony Sandol - Gangster

Gil Stanley

Tommy Hayes - Informant (uncredited)

Sam Bernard

Gangster

Carl Pierson

Editor

Lindsley Parsons

Producer

Edward J. Kay

Music Director

Mack Stengler

Director of Photography

Dave Milton

Art Direction

James Tinling

Director

Frank Graham

Original Concept

Michael L. Simmons

Screenplay

Walter Gering

Screenplay, Story