Original: The show features a large ensemble cast , and many historical figures appear as characters on the show -- such as Seth Bullock , Al Swearengen , Wild Bill Hickok , Sol Star , Calamity Jane , Wyatt Earp , E. B. Farnum , Charlie Utter and George Hearst .
Simplified: For example , Wild Bill Hickok , Seth Bullock , Sol Star , Calamity Jane , Al Swearengen , Wyatt Earp , E. B. Farnum , Charlie Utter and George Hearst have all been used in the series .