Mark Stevens as Officer Rocky Barnes

Edmond O'Brien as Officer Dan Purvis

Gale Storm as Katharine 'Kate' Mallory

Donald Buka as Ritchie Garris

Gale Robbins as Terry Romaine

Anthony Ross as Police Lt. Masterson

Roland Winters as Leo Cusick

Tito Vuolo as Romano

Grazia Narciso as Mrs. Romano

Madge Blake as Mrs. Mallory

Lora Lee Michel as Kathy Blake

Jack Del Rio as Louis Franissi

Philip Van Zandt as Joe Quist

Cliff Bailey as Police Sgt. Bailey

Tony Barr as Harry Yost

Peter Mamakos as 'Cootie' Adams

Ric Roman as Rod Peters (as Earl Breitbard)

Wheaton Chambers as Building Superintendent Blake

Frances Morris as Mrs. Blake - Superintendent's Wife

James Brown as Officer Haynes (uncredited)

Billy Gray as Peter J. 'Petey' Conklin (uncredited)

Brick Sullivan as Policeman (uncredited)

Tony Taylor as Thurlow Conklin (uncredited)

Guy Way as Reporter (uncredited)