As the railroad builders advance unstoppably through the Arizona desert on their way to the sea, Jill arrives in the small town of Flagstone with the intention of starting a new life.

• Jill: Claudia Cardinale
• Frank: Henry Fonda
• ‘Cheyenne’: Jason Robards
• ‘Harmonica’: Charles Bronson
• Morton: Gabriele Ferzetti
• Sam: Paolo Stoppa
• Frank’s Gunman: Woody Strode
• Frank’s Gunman: Jack Elam
• Sheriff: Keenan Wynn
• Brett McBain: Frank Wolff
• Innkeeper: Lionel Stander
• Frank’s Gunman (uncredited): Frank Braña
• Patrick McBain (uncredited): Stefano Imparato
• Hanged Man (uncredited): Claudio Mancini
• Frank’s Gunman (uncredited): Al Mulock
• Station Agent (uncredited): Antonio Palombi
• Bidder (uncredited): Renato Pinciroli
• Cheyenne’s Gunman (uncredited): Aldo Sambrell
• McBain’s Neighbor (uncredited): Conrado San Martín
• Timmy McBain (uncredited): Enzo Santaniello
• Maureen McBain (uncredited): Simonetta Santaniello
• Cattle Corner Woman (uncredited): Luana Strode
• Frank’s Gunman (uncredited): Fabio Testi
• ‘Wobbles’ (uncredited): Marco Zuanelli

,

• Conductor: Ennio Morricone
• Director of Photography: Tonino Delli Colli
• Stunts: John Landis
• Story: Sergio Leone
• Costume Designer: Carlo Simi
• Production Manager: Claudio Mancini
• Editor: Nino Baragli
• Executive Producer: Bino Cicogna
• Story: Dario Argento
• Story: Bernardo Bertolucci
• Special Effects: Eros Bacciucchi
• Producer: Fulvio Morsella
• Screenplay: Sergio Donati
• Makeup Artist: Giannetto De Rossi
• Makeup Supervisor: Alberto De Rossi
• Hairdresser: Grazia De Rossi
• Dialogue: Mickey Knox
• Production Supervisor: Ugo Tucci
• First Assistant Director: Giancarlo Santi
• Sound Effects: Italo Cameracanna
• Sound Engineer: Elio Pacella
• Sound Effects: Luciano Anzellotti
• Sound Engineer: Claudio Maielli
• Sound Engineer: Fausto Ancillai
• Sound Effects: Roberto Arcangeli

Credits: TheMovieDb.