- Wyatt Earp: [Opening Narration] The friendship between Marshal Wyatt Earp and Dr. John H. Holliday, gambler, gunfighter and killer, was one of the enigmas of the Western frontier. Dr. Holliday was not popular with Wyatt's other friends, who predicted that eventually he would involve Wyatt serious trouble. The attack on a Wells Fargo stage in the summer of '78, provided these cassandras with what seemed to be iron-clad evidence that Doc Holliday had betrayed Wyatt.