James Arness Marshal Matt Dillion Actor Milburn Stone Dr. Galen "Doc" Adams Actor Amanda Blake Kitty Russell Actor Ken Curtis Festus Guest Star Roger Ewing Thad Guest Star Ted Jordan Nathan Burke Guest Star Roy Roberts Jonas Guest Star Johnny Whitaker Shem Todd Guest Star Jonathan Goldsmith Billy Judd Guest Star Roy Barcroft Mr. Bodkin Guest Star Billy Halop Barney Guest Star Michael Ansara Luke Todd Guest Star Lois Nettleton Amr Todd Guest Star Richard Webb Will Hayes Guest Star Kenneth Mars Clyde Hayes Guest Star Steve Sanders Ethan Todd Guest Star John Mantley Producer James Landis Writer Marc Daniels Director