James Garner (Wyatt Earp), Jason Robards (Doc Holliday), Robert Ryan (Ike Clanton), Albert Salmi (Octavius Roy), Charles Aidman (Horace Sullivan), Steve Ihnat (Andy Warshaw), Michael Tolan (Pete Spence), Frank Converse (Virgil Earp), Sam Melville (Morgan Earp), William Schallert (Richter Herman Spicer), Monte Markham (Tucson Sheriff Sherman McMasters), Jon Voight (Curly Bill Brocius), Karl Swenson (Dr. Charles Goodfellow), Richard Bull (Thomas Fitch), William Windom (Texas Jack Vermillion), Larry Gates (John P. Clum), Jorge Russek (Deputy Latigo), Bill Fletcher (Jimmy Ryan), Lonny Chapman (Turkey Creek Johnson), Austin Willis (Anson Safford), Robert Phillips (Frank Stilwell), Walter Gregg (Billy Clanton), Jim Sheppard (Tom McLowery), David Perna (Frank McLowery)