Sergio Leone : Director (Directing)
Angelo Francesco Lavagnino : Original Music Composer (Sound)
Angelo Malantrucco : Makeup Artist (Costume & Make-Up)
Michele Scaglione : Executive Producer (Production)
Antonio L. Ballesteros : Director of Photography (Camera)
Eraldo Da Roma : Editor (Editing)
Ramiro Gómez : Production Design (Art)
Vittorio Rossi : Costume Design (Costume & Make-Up)
Cesare Seccia : Production Manager (Production)
Jorge Grau : Assistant Director (Directing)
Ennio De Concini : Story (Writing)
Ennio De Concini : Screenplay (Writing)
Sergio Leone : Story (Writing)
Sergio Leone : Screenplay (Writing)
Cesare Seccia : Story (Writing)
Cesare Seccia : Screenplay (Writing)
Luciano Martino : Story (Writing)
Luciano Martino : Screenplay (Writing)
Ageo Savioli : Story (Writing)
Ageo Savioli : Screenplay (Writing)
Luciano Chitarrini : Story (Writing)
Luciano Chitarrini : Screenplay (Writing)
Carlo Gualtieri : Story (Writing)
Carlo Gualtieri : Screenplay (Writing)
Eduardo de la Fuente : Co-Producer (Production)
Robert de Nesle : Co-Producer (Production)
Giuseppe Maggi : Producer (Production)
Mario Maggi : Producer (Production)
Josette Trachsler : Co-Producer (Production)
Carlos Nin : Makeup Artist (Costume & Make-Up)
Eduardo de la Fuente : Production Manager (Production)
Luis María Lasala : Second Assistant Director (Directing)
Mahnahén Velasco : Second Assistant Director (Directing)
Roberto Bodegas : Assistant Director Trainee (Directing)
Yves Boisset : Second Assistant Director (Directing)
Jesús Mateos : Props (Art)
Giuseppe Ranieri : Assistant Art Director (Art)
Francisco Rodríguez Asensio : Construction Coordinator (Art)
Mario Amari : Sound (Sound)
Tonino Cacciottolo : Sound Effects (Sound)
Giuseppe Turco : Sound (Sound)
Erasmo Bacciucchi : Special Effects (Crew)
Vittorio Galiano : Special Effects (Crew)
Alfio Caltabiano : Stunts (Crew)
Aldo Colanzi : Key Grip (Camera)
Franco Frazzi : Assistant Camera (Camera)
Gianni Maddaleni : Assistant Camera (Camera)
Eduardo Noé : Camera Operator (Camera)
Emilio Foriscot : Second Unit Director of Photography (Camera)
Mariano Ruiz Capillas : Second Unit Director of Photography (Camera)
Antonio Cortés : Assistant Costume Designer (Costume & Make-Up)
Maria Pia Mancini : Costumer (Costume & Make-Up)
Irma Tonnini : Key Costumer (Costume & Make-Up)
Marisa Mengoli : Assistant Editor (Editing)
María Luisa Pino : Assistant Editor (Editing)
Angelo Francesco Lavagnino : Music Director (Sound)
José Castanyer : Script Supervisor (Directing)
Isabel Ruiz Capillas : Script Supervisor (Directing)
Carla Leone : Choreographer (Crew)