Walter Huston as Capt. Jim Fitzpatrick

Jean Harlow as Daisy Stevens, aka Mildred Beaumont

Wallace Ford as Det. Ed Fitzpatrick

Jean Hersholt as Samuel 'Sam' Belmonte

Dorothy Peterson as Mary Fitzpatrick

Tully Marshall as Defense Attorney Michaels

Emmett Corrigan as Police Chief 'Burt' Burton

Warner Richmond as Police Lt. Tom

Sandy Roth as Lt. John 'Mac' McCowsky

J. Carrol Naish as Pietro Cholo

John Miljan as District Attorney

Edward Brophy as Police Dispatcher (uncredited)

Betty Mae Crane as Helen - Fitzpatrick Twin (uncredited)

Beverly Crane as Madison - Fitzpatrick Twin (uncredited)

Dorothy Granger as Drunken Girl Singing at Party (uncredited)

Frank LaRue as Policeman #3 on Telephone (uncredited)

Nat Pendleton as Abe Gorman (uncredited)

Mickey Rooney as Mickey Fitzpatrick (uncredited)

Clarence Wilson as Coroner (uncredited)

Constantine Romanoff as Identifying Witness (uncredited)

Robert Emmett O'Connor as Booking Policeman (uncredited)