Cast & crew
Duck, You Sucker (1971)
Directed by Sergio Leone Written by Luciano Vincenzoni, Sergio Donati, Sergio Leone
Cast
| James Coburn | John H. Mallory |
| Rod Steiger | Juan Miranda |
| Poldo Bendandi | Revolutionary |
| Maria Monti | Woman on Stagecoach |
| Rik Battaglia | Santerna |
| Franco Graziosi | Governor Jaime |
| Antoine Saint-John | Col. Günther Reza |
| Vivienne Chandler | John's girlfriend |
| David Warbeck | Sean Nolan |
| Giulio Battiferri | Miguel |
| Romolo Valli | Dr. Villega |
| Nazzareno Natale | |
| Omar Bonaro | Revolutionary |
| Roy Bosier | Landowner on Stagecoach |
| John Frederick | American on Stagecoach |
| Amato Garbini | Policeman on Train |
| Biagio La Rocca | |
| Michael Harvey | Coachman |
| Stefano Oppedisano | Revolutionary |
| Vincenzo Norvese | Miranda Gang Member |
| Memè Perlini | Miranda's Son |
| Goffredo Pistoni | Miranda's Father |
| Renato Pontecchi | Pepe Miranda |
| Florencio Amarilla | Revolutionary (uncredited) |
| Rosita Torosh | |
| Aldo Sambrell | Mexican Officer (uncredited) |
| Antonio Casale | Notary on Stagecoach |
| Benito Stefanelli | |
| Jean Rougeul | Priest on Stagecoach |
| Corrado Solari | Napoleon Miranda |
| Furio Meniconi | Innkeeper |
| Franco Ukmar | Soldier in Mesa Verde Bank (uncredited) |
| Antonio Montoya | Miranda Gang Member (uncredited) |
| Riccardo Pizzuti | Santerna's Man (uncredited) |
| Claudio Mancini | Mexican Army Captain (uncredited) |
| Tony Casale | Mesa Verde Bank Prisoner (uncredited) |
| Romano Milani | Mesa Verde Bank Prisoner (uncredited) |
| Luigi Tripodi | Revolutionary (uncredited) |
| Freddy Logart | Mexican Soldier Picking-up the Book (uncredited) |
| Rafael Cortes | Miranda Gang Member (uncredited) |
| Franco Tocci | |
| Simon van Collem | Conductor (uncredited) |
| Paolo Figlia | Soldier in Mesa Verde Bank (uncredited) |
| Alberigo Donadeo | Santerna's Man (uncredited) |
| Sergio Calderón | Revolutionary (uncredited) |
Crew
| Giuseppe Ruzzolini | Director of Photography |
| Andrea Crisanti | Art Direction |
| Franco Carretti | Costume Design |
| Sergio Leone | Director |
| Nino Baragli | Editor |
| Ennio Morricone | Original Music Composer |
| Fulvio Morsella | Producer |
| Michael Billingsley | Sound Editor |
| Benito Stefanelli | Stunts |
| Antonio Margheriti | Special Effects |
| Dario Micheli | Set Decoration |
| Luciano Vincenzoni | Screenplay |
| Sergio Donati | Story |
| Carlo Tritto | Dialogue |
| Roberto De Leonardis | Dialogue |
| Sergio Leone | Screenplay |
| Sergio Donati | Screenplay |
| Alberto De Martino | Second Unit Director |
| Camillo Teti | Production Manager |
| Fausto Ancillai | Sound Mixer |
| Sergio Leone | Story |
| Raffaello Forti | Production Accountant |
| Tony Brandt | Assistant Director |
| Amato Garbini | Makeup Artist |
| Rossana Maiuri | First Assistant Editor |
| Serena Canevari | Continuity |
| Vasco Mafera | Production Secretary |
| Olga Sarra | Assistant Editor |
| Franco Tocci | Key Grip |
| Claudio Mancini | Production Supervisor |
| Gino Bartolini | Assistant Editor |
| Angelo Novi | Still Photographer |
| Idelmo Simonelli | Camera Operator |
| Claudio Mancini | Associate Producer |
| Antonio Palombi | Construction Coordinator |
| Giancarlo Santi | Second Unit Director |
| Ugo Tucci | Associate Producer |
| Ennio Morricone | Conductor |
| Ezio Di Monte | Assistant Art Director |
| Giovanni Corridori | Construction Coordinator |
| Franco Velchi | Assistant Art Director |
| Paolo Borselli | Hairstylist |
| Edda Dell'Orso | Musician |
| Roberto Forges Davanzati | Assistant Camera |
| Eros Bacciucchi | Pyrotechnic Supervisor |
| Massimiliano Terzo | Assistant Camera |
| Federico Savina | Music Editor |
| Massimo Massimi | Gaffer |
| Franco Delli Colli | Second Unit Director of Photography |
| Gerry Johnston | Special Effects |
| Giovanni Corridori | Special Effects |
| Benito Stefanelli | Master at Arms |
| Ennio Morricone | Orchestrator |
| Claudio Sabatini | Assistant Camera |
| Alessandro Ruzzolini | Assistant Camera |
| Luisa Buratti | Key Costumer |
| Alessandro Alessandroni | Musician |
| Franco Ukmar | Stunts |
| Paolo Figlia | Stunts |
| Antonio Montoya | Stunts |