Barry Fitzgerald

as Lt. Dan Muldoon

Howard Duff

as Frank Niles

Dorothy Hart

as Ruth Morrison

Don Taylor

as Jimmy Halloran

Frank Conroy

as Captain Donahue

Ted de Corsia

as Willy Garzah

House Jameson

as Dr. Lawrence Stoneman

Anne Sargent

as Mrs. Halloran

Adelaide Klein

as Mrs. Batory

Grover Burgess

as Mr. Batory

Tom Pedi

as Detective Perelli

Enid Markey

as Mrs. Hylton

Mark Hellinger

as Narrator (voice)

Jean Adair

as Little Old Lady (Uncredited)

Celia Adler

as Dress Shop Proprietor (Uncredited)

Janie Alexander

as Girl (Uncredited)

Joyce Allen

as Shopgirl (Uncredited)

Beverly Bayne

as Mrs. Stoneman (Uncredited)

Ralph Brooks

as Detective (Uncredited)

Harris Brown

as Harvey (Uncredited)

Ralph Bunker

as Hoffman (Uncredited)

Walter Burke

as Pater Backalis (Uncredited)

Alexander Campbell

as Policeman (Uncredited)

Retta Coleman

as Crippled Girl (Uncredited)

G. Pat Collins

as Charles Meade (Uncredited)

Curt Conway

as Det. Nick (Uncredited)

Russ Conway

as Ambulance Doctor (Uncredited)

Grace Coppin

as Miss Livingston (Uncredited)

William Cottrell

as Bisbee (Uncredited)

Harold Crane

as Man (Uncredited)

Sarah Cunningham

as Nurse (Uncredited)

Johnny Dale

as Mr. Stillman (Uncredited)

Denise Doyle

as Girl (Uncredited)

Arthur 'Weegee' Fellig

as Photographer (Uncredited)

Paul Ford

as Henry Fowler (Uncredited)

Andre D. Foster

as Jeweler (Uncredited)

Kathleen Freeman

as Stout Young Woman on an Elevated Train (Uncredited)

Pearl Gaines

as Mrs. Hylton's Maid (Uncredited)

Earle Gilbert

as Banker (Uncredited)

Bruce Gordon

as Cop at Williamsburg Bridge (uncredited)

William E. Green

as Man (uncredited)

Raymond Greenleaf

as City Editor (uncredited)

James Gregory

as Patrolman Albert Hicks (uncredited)

Chuck Hamilton

as Cop (uncredited)

Robert H. Harris

as Druggist (uncredited)

Percy Helton

as Street Cleaner (uncredited)

Bern Hoffman

as Wrestler (uncredited)

Cavada Humphrey

as Mother (uncredited)

Edwin Jerome

as Publisher (uncredited)

Nicholas Joy

as Mr. McCormick (uncredited)

Joe Kerr

as Ned Harvey (uncredited)

Judson Laire

as Publisher (uncredited)

Perc Launders

as Police Photographer (uncredited)

Marion Leeds

as Nurse (uncredited)

George Lynn

as Detective Fredericks (uncredited)

John Marley

as Managing Editor (uncredited)

John McQuade

as Detective Dace Constantino (uncredited)

Carl Milletaire

as Young Man Who Confesses to Dexter Murder (uncredited)

Virginia Mullen

as Martha Swenson (uncredited)

Arthur O'Connell

as Sgt. Shaeffer (uncredited)

David Opatoshu

as Sgt. Dave Miller (uncredited)

Lee Shumway

as Patrolman (uncredited)

Hester Sondergaard

as Miss Owens (uncredited)

John Randolph

as Ed Garzah (uncredited)

William Cottrell

as Bisbee (uncredited)