Warner Bros. Pictures presents ; original story and screenplay by Burt Kennedy ; a Batjac production ; produced by Andrew V. McLaglen and Robert E. Morrison ; directed by Budd Boetticher
Paramount presents, a Cecil B. De Mille Production ; produced by Motion Picture Associates, Inc. ; a Paramount Picture ; written for the screen by Æneas Mackenzie, Jesse L. Lasky, Jr., Jack Gariss, Fredric M. Frank ; produced and directed by Cecil B. DeMille
United Artists Pictures Inc. ; George Stevens presents ; screenplay by James Lee Barrett and George Stevens ; produced and directed by George Stevens, in creative association with Carl Sandburg
un film di Lina Wertmüller ; prodotto da Romano Cardarelli per la Medusa Distribuzione ; soggetto e sceneggiatura, Lina Wertmüller ; regia, Lina Wertmüller
Kino Lorber Repertory ; original idea by Ishmael Reed ; script contributions, Ishmael Reed, Steve Cannon, Walter Cotton, Verta Mae Grosvenor, Jim Wright, Bill Gunn ; produced by Walter Cotton ; directed by Bill Gunn