William Joseph 'Honeyboy' Willard

Robert Blake

Police Lt. William P. Harley

Barry Sullivan

Gladys Harley

Elaine Edwards

Henry Abel 'Hank' Smith

Marc Cavell

Joan MacNamara

Jody Lawrance

Thomas Allen 'Killer' Burke

Paul Dubov

Daisy

Susy Marquette

Daisy

Suzanne Ridgway

Eddie Olsen

Joe Turkel

Eddie Olsen

Joseph Turkel

Al Olsen

Victor Creatore

Tom Olsen

Ray Boyle

Nun

Kathleen Lockhart

Laurence Orlofsky

Nestor Paiva

Dr. Riordan

Lou Krugman

Licovetti

Mauritz Hugo

Ricco

Norman Nazarr

Castiglione

John Indrisano

Narrator, Foreword

James Roosevelt

Police Commissioner

Robert Anderson

Gang Member (uncredited)

Jim Michael

Al Capone

Severio Lo Medico

Minor Role

Don Haggerty

Judge Stone

George Baxter

Ely

Michael Vallon

Martha

Ella Ethridge

Harry Keys

Craig Fox

Irving Mills

Allen Windsor

Fish Scofield

Ralph Sanford

Wright

Walter Maslow

Minor Role (uncredited)

Cecil Weston

Florist

Paul McGuire

Mac, Panhandler / Undercover Man

David Tomack

Joe Milford

Dan Easton

Policeman George Murphy

John Close

Saverio LoMedico