David 'Noodles' Aaronson

Maximilian 'Max' Bercovicz

Deborah Gelly

James Conway O'Donnell

Carol

Frankie Monaldi

Joe

Patrick 'Patsy' Goldberg

Philip 'Cockeye' Stein

'Fat' Moe Gelly

Peggy

Young Noodles

Young Max / David Bailey

Young Deborah

Young Patsy

Young Cockeye

Young 'Fat' Moe Gelly

Dominic

Bugsy

Eve

Police Chief Vincent Aiello

Chicken Joe

Beefy

Trigger

Mandy

Young Peggy

Officer Whitey

Woman in the Puppet Theatre

Al Capuano

Fred Capuano

Johnny Capuano

Irving Gold

Friend of Young Deborah

Young Deborah (Double)

Monkey

Thug

Chinese Theater Spectator (uncredited)

Willie the Ape

Max's Mother

Crowning

Van Linden

Sharkey

Mrs. Aiello

Bugsy's Gang

Bugsy's Gang

Interviewer

Girl in Coffin

Adorable Old Man

Nurse Thompson

Reporter 1

Reporter 2

Reporter 3

Chauffeur

Cemetery Caretaker

Peggy's Mother

Drunk

Newstand Man

Mounted Policeman

2nd Mounted Policeman

Sgt. P. Halloran

Street Singer

Young Macrò

Foreman

One of Beefy's Thugs (uncredited)

Bar Room Patron (uncredited)

Bugsy's Gang (uncredited)

Bugsy's Gang (uncredited)

Boy in Park (uncredited)

Speakeasy Drum Player (uncredited)

Newspaper Salesman (uncredited)

Speakeasy Banjo Player (uncredited)

Speakeasy Percussionist (uncredited)

David Bailey's Girlfriend (uncredited)

Deborah Gelly's Father (uncredited)

Waiter (uncredited)

Speakeasy Patron (uncredited)

Speakeasy Trumpet Player (uncredited)

Speakeasy Clarinet Player (uncredited)

Speakeasy Vocalist (uncredited)

Nurse (uncredited)

Pimp (uncredited)

Prostitute (uncredited)

Syndacalist (uncredited)

Speakeasy Patron (uncredited)