Casting Il était une fois en Amérique
Acteurs et actrices
Robert De Niro
Rôle : David 'Noodles' Aaronson
James Woods
Rôle : Maximilian 'Max' Bercovicz
Elizabeth McGovern
Rôle : Deborah Gelly
Joe Pesci
Rôle : Frankie Minaldi
Tuesday Weld
Rôle : Carol
Burt Young
Rôle : Joe
Treat Williams
Rôle : James Conway O'Donnell
Danny Aiello
Rôle : Police Chief Vincent Aiello
Et aussi :
- Chicken Joe Chicken Joe Richard Bright
- Patrick 'Patsy' Goldberg Patrick 'Patsy' Goldberg James Hayden
- Philip 'Cockeye' Stein Philip 'Cockeye' Stein William Forsythe
- Eve Eve Darlanne Fluegel
- 'Fat' Moe Gelly 'Fat' Moe Gelly Larry Rapp
- Woman in the Puppet Theatre Woman in the Puppet Theatre Olga Karlatos
- Beefy Beefy Frank Gio
- Young Deborah Young Deborah Jennifer Connelly
- Young Noodles Young Noodles Scott Schutzman Tiler
- Young Max / David Bailey Young Max / David Bailey Rusty Jacobs
- Young Patsy Young Patsy Brian Bloom
- Young 'Fat' Moe Gelly Young 'Fat' Moe Gelly Mike Monetti
- Young Cockeye Young Cockeye Adrian Curran
- Young Peggy Young Peggy Julie Cohen
- Dominic Dominic Noah Moazezi
- Bugsy Bugsy James Russo
- Al Capuano Al Capuano Clem Caserta
- Fred Capuano Fred Capuano Frank Sisto
- Johnny Capuano Johnny Capuano Jerry Strivelli
- Irving Gold Irving Gold Mike Gendel
- Friend of Young Deborah Friend of Young Deborah Sandra Solberg
- Young Deborah (Double) Young Deborah (Double) Margherita Pace
- The Cemetery Directress (Extended Cut) The Cemetery Directress (Extended Cut) Louise Fletcher
- Monkey Monkey Paul Herman
- Thug Thug Bruno Iannone
- Chinese Theater Spectator (uncredited) Chinese Theater Spectator (uncredited) Bruno Bilotta
- Trigger Trigger Ray Dittrich
- Officer Whitey Officer Whitey Richard Foronjy
- Mandy Mandy Mario Brega
- Willie the Ape Willie the Ape Angelo Florio
- Max's Mother Max's Mother Marcia Jean Kurtz
- One of Beefy's Thugs (uncredited) One of Beefy's Thugs (uncredited) Salvatore Billa
- Crowning Crowning Gerard Murphy
- Bugsy's Gang (uncredited) Bugsy's Gang (uncredited) Scott Coffey
- Van Linden Van Linden Dutch Miller
- Sharkey Sharkey I Robert Harper
- Peggy Peggy Amy Ryder
- Mrs. Aiello Mrs. Aiello Karen Shallo
- Bugsy's Gang Bugsy's Gang Frankie Caserta
- Bugsy's Gang Bugsy's Gang Joey Marzella
- Interviewer Interviewer I Marvin Scott
- Girl in Coffin Girl in Coffin Ann Neville
- Adorable Old Man Adorable Old Man Joey Faye
- Nurse Thompson Nurse Thompson Linda Ipanema
- Reporter 1 Reporter 1 Tandy Cronyn
- Reporter 2 Reporter 2 Richard Zobel
- Reporter 3 Reporter 3 Baxter Harris
- Chauffeur Chauffeur Arnon Milchan
- Cemetery Caretaker Cemetery Caretaker Marty Licata
- Peggy's Mother Peggy's Mother Estelle Harris
- Drunk Drunk Gerritt Debeer
- Newstand Man Newstand Man Alexander Godfrey
- Mounted Policeman Mounted Policeman Cliff Cudney
- 2nd Mounted Policeman 2nd Mounted Policeman Paul Farentino
- Sgt. P. Halloran Sgt. P. Halloran Bruce Bahrenburg
- Street Singer Street Singer Mort Freeman
- Foreman Foreman Jay Zeely
- Young Macrò Young Macrò Massimo Liti
- Bar Room Patron (uncredited) Bar Room Patron (uncredited) Greg Anthony
- Boy in Park (uncredited) Boy in Park (uncredited) Matteo Cafiso
- Newspaper Salesman (uncredited) Newspaper Salesman (uncredited) Nelson Camp
- Speakeasy Drum Player (uncredited) Speakeasy Drum Player (uncredited) Nunzio Giuliani
- Speakeasy Banjo Player (uncredited) Speakeasy Banjo Player (uncredited) Dario Iori
- Speakeasy Percussionist (uncredited) Speakeasy Percussionist (uncredited) Ole Jorgensen
- David Bailey's Girlfriend (uncredited) David Bailey's Girlfriend (uncredited) Francesca Leone
- Deborah Gelly's Father (uncredited) Deborah Gelly's Father (uncredited) Chuck Low
- Waiter (uncredited) Waiter (uncredited) Ron Nummi
- Speakeasy Patron (uncredited) Speakeasy Patron (uncredited) Ryan Paris
- Speakeasy Trumpet Player (uncredited) Speakeasy Trumpet Player (uncredited) Nicola Roberto
- Speakeasy Clarinet Player (uncredited) Speakeasy Clarinet Player (uncredited) Gianni Sanjust
- Speakeasy Vocalist (uncredited) Speakeasy Vocalist (uncredited) Alex Serra
- Nurse (uncredited) Nurse (uncredited) Susan Spafford
Réalisateurs
Sergio Leone
Rôle : Director
Scénaristes
Sergio Leone
Rôle : Screenplay
Franco Ferrini
Rôle : Screenplay
Leonardo Benvenuti
Rôle : Screenplay
Franco Arcalli
Rôle : Screenplay
Enrico Medioli
Rôle : Screenplay
Ernesto Gastaldi
Rôle : Screenplay
Piero De Bernardi
Rôle : Screenplay
Producteurs
Arnon Milchan
Rôle : Producer
Robert Benmussa
Rôle : Consulting Producer
Claudio Mancini
Rôle : Executive Producer