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 John Saxon Virgil Stanley Guest Star Jacqueline Scott Ada Stanley Guest Star Ed Asner Jack Redmond Guest Star Kathleen O'Malley Mother Guest Star Stephen McEveety Richard Guest Star Morgan Woodward Earl Miller Guest Star Donald Losby Bryant Stanley Guest Star Christopher Pate Curtis Stanley Guest Star Rex Holman Frank Garr Guest Star John Mantley Producer Calvin Clements Sr. Writer Vincent McEveety Director