as Det. Lt. Dan Muldoon

as Frank Niles

as Ruth Morrison

as Det. Jimmy Halloran

as Capt. Donahue

as Willie Garzah aka Willie the Harmonica

as Dr. Lawrence Stoneman

as Mrs. Halloran

as Mrs. Paula Batory

as Mr. Batory

as Det. Perelli

as Mrs. Edgar Hylton

as Narrator (Voice)

as Patrolman Albert Hicks (uncredited)

as Sgt. Shaeffer (uncredited)

as Little Old Lady (Uncredited)

as Dress Shop Proprietor (Uncredited)

as Girl (Uncredited)

as Shopgirl (Uncredited)

as Mrs. Stoneman (Uncredited)

as Detective (Uncredited)

as Harvey (Uncredited)

as Hoffman (Uncredited)

as Pater Backalis (Uncredited)

as Policeman (Uncredited)

as Crippled Girl (Uncredited)

as Charles Meade (Uncredited)

as Det. Nick (Uncredited)

as Ambulance Doctor (Uncredited)

as Miss Livingston (Uncredited)

as Bisbee (Uncredited)

as Man (Uncredited)

as Nurse (Uncredited)

as Mr. Stillman (Uncredited)

as Girl (Uncredited)

as Photographer (Uncredited)

as Henry Fowler (Uncredited)

as Jeweler (Uncredited)

as Stout Young Woman on an Elevated Train (Uncredited)

as Mrs. Hylton's Maid (Uncredited)

as Banker (Uncredited)