Robert De NiroDavid 'Noodles' Aaronson
James WoodsMaximilian 'Max' Bercovicz
Elizabeth McGovernDeborah Gelly
Treat WilliamsJames Conway O'Donnell
James HaydenPatrick 'Patsy' Goldberg
William ForsythePhilip 'Cockeye' Stein
Larry Rapp'Fat' Moe Gelly
Scott Schutzman TilerYoung Noodles
Rusty JacobsYoung Max / David Bailey
Jennifer ConnellyYoung Deborah
Adrian CurranYoung Cockeye
Mike MonettiYoung 'Fat' Moe Gelly
Danny AielloPolice Chief Vincent Aiello
Richard BrightChicken Joe
Richard ForonjyOfficer Whitey
Olga KarlatosWoman in the Puppet Theatre
Jerry StrivelliJohnny Capuano
Sandra SolbergFriend of Young Deborah
Margherita PaceYoung Deborah (Double)
Bruno BilottaChinese Theater Spectator (uncredited)
Angelo FlorioWillie the Ape
Marcia Jean KurtzMax's Mother
Frankie CasertaBugsy's Gang
Joey MarzellaBugsy's Gang
Ann NevilleGirl in Coffin
Joey FayeAdorable Old Man
Linda IpanemaNurse Thompson
Marty LicataCemetery Caretaker
Estelle HarrisPeggy's Mother
Alexander GodfreyNewstand Man
Cliff CudneyMounted Policeman
Paul Farentino2nd Mounted Policeman
Bruce BahrenburgSgt. P. Halloran
Mort FreemanStreet Singer
Salvatore BillaOne of Beefy's Thugs (uncredited)
Scott CoffeyBugsy's Gang (uncredited)
Marco StefanelliBugsy's Gang (uncredited)
Nunzio GiulianiSpeakeasy Drum Player (uncredited)
Nelson CampNewspaper Salesman (uncredited)
Dario IoriSpeakeasy Banjo Player (uncredited)
Ole JorgensenSpeakeasy Percussionist (uncredited)
Francesca LeoneDavid Bailey's Girlfriend (uncredited)
Chuck LowDeborah Gelly's Father (uncredited)
Ron NummiWaiter (uncredited)
Ryan ParisSpeakeasy Patron (uncredited)
Nicola RobertoSpeakeasy Trumpet Player (uncredited)
Gianni SanjustSpeakeasy Clarinet Player (uncredited)
Alex SerraSpeakeasy Vocalist (uncredited)
Susan SpaffordNurse (uncredited)
Mark FrazerPimp (uncredited)
Maria Pia MonicelliProstitute (uncredited)
Claudio ManciniSyndacalist (uncredited)
Rossana CanghiariSpeakeasy Patron (uncredited)