Wyatt Earp is portrayed as being Tombstone's local Marshal in the week leading up to the gun battle of October 26, 1881. In fact, his older brother Virgil was the Marshal, with younger brother Morgan as deputy. Wyatt, a saloon keeper, was deputized as an emergency measure while the brothers were walking to the site of the battle.
A camera is reflected in the window of Doc Holliday's surgery.
Doc Holliday's common law wife Kate speaks with an exaggerated American accent, but probably really spoke with a Hungarian accent.