The Threat

Michael O'Shea

Detective Ray Williams

Virginia Grey

Carol

Charles McGraw

Arnold 'Red' Kluger

Julie Bishop

Ann Williams

Frank Conroy

District Attorney Barker MacDonald

Robert Shayne

Insp. 'Murph' Murphy

Anthony Caruso

Nick Damon

Don McGuire

Joe Turner

Frank Richards

Lefty

Michael McHale

Detective Jensen

Norman Nesbitt

Policeman on Television (uncredited)

Lois Austin

Ann's Friend (uncredited)

Phillip Barnes

Motorcycle Officer (uncredited)

Gregg Barton

Reporter (uncredited)

Barry Brooks

Detective (uncredited)