A Coralta Cinematografica production 
Director : Lucio Fulci
Screenplay : Ennio de Concini from the stories of Brett Harte
Cinematography : Sergio Salvati
Editor : Ornella Micheli
Music : Franco Bixio, Fabio Frizzi, Vince Tampera – the songs Movin’ On, Was it all in vain, Bunny (let’s stay together), Let us pray, Stubby (you’re down and out) (Bixio-Frizzi-Tempera-Cook) are performed by Cook and Benjamin Franklin Group

Production managers : Piero Donati, Roberto Sbarigia – Unit manager : Ennio di Meo – Location managers : Julio Parra, Verena Baldeo – Art director : Giovanni Natalucci – Costumes : Massimo Lentini – Assistant editor : Bruno Micheli – Cutting room assistant : Rosanna Landi – Assistant directors : Giuseppe Pollini, Claudio Bondi’ – Script continuity : Roberto Giandalia – Stunt co-ordinator : Goffredo Unger – Camera operator : Enrico Sasso – Assistant operators : Maurizio Lucchini, Emilio Bestetti – Sound recordist : Mario Ottavi – Boom operator : Marco Donati – Assistant to the art director : Luigi Quintili – Make-up supervision : Massimo de Rossi – Assistant maquillage : Feliziano Ciriaci – Hairstylist : Agnese Panarotto – Intérieurs : Cinecittà (Rome), RPA – Elios Studios (Rome) – Costume house : Cinecostume (Rome) – Wigs : Maggi (Rome) – Footwear : Arditi (Rome) – Gunsmiths : CI.PA. (Rome) – Action stills : Leo Massa – Negative : Eastmancolor – Processing laboratory : Technospes (Rome) – English version recorded at : Fono Roma for Cinitalia (Rome)

With : Fabio Testi (Stubby Preston), Lynne Frederick (Emmanuelle “Bunny” O’Neill), Michael J. Pollard (Clem), Harry Baird (Bud), Tomas Milian (Chaco), Aldofo Lastretti (reverend Sullivan), Bruno Corazzari (Lemmy), Giorgio Trestini (Saul), Donald O’Brien (sheriff of Salt Flat), Charles Borromel (Montana), Salvatore Puntillo (recovering man), Lorenzo Robledo (sheriff tortured), Claudio Ruffini (first shot gunman), Goffredo Unger (betting man)