Deadwood breathes easier when riders arrive with precious vaccine--and word of a possible treaty with the Sioux. Awaiting Trixie's return, a pragmatic Swearengen resists counsel from a bloody-minded Farnum; results of Bullock's assay of her gold claim moves Alma to reassess her plans and sets up a confrontation between Bullock and Swearengen; and Tolliver teaches Stubbs a deadly lesson at the expense of a couple of con artists.
Elenco: Timothy Olyphant , Ian McShane , Molly Parker , Jim Beaver , W. Earl Brown , Dayton Callie , Kim Dickens , Brad Dourif , Anna Gunn , John Hawkes , Jeffrey Jones , Paula Malcomson , Leon Rippy , William Sanderson , Robin Weigert , Sean Bridgers , Titus Welliver , Brent Sexton , Bree Seanna Wall , Powers Boothe , Geri Jewell , Keone Young , Gerald McRaney , Wyatt Earp , Seth Bullock , E. B. Farnum , Wild Bill Hickok , Sean Bridgers , Keith Carradine , Brian Cox , Sarah Paulson , Ray McKinnon , Gerald McRaney , Brent Sexton , Ricky Jay .