James Arness Marshal Matt Dillion Actor Milburn Stone Dr. Galen "Doc" Adams Actor Michael Learned Mike Yardner Guest Star Shani Wallis Stella Guest Star Amanda Blake Kitty Russell Actor James Whitmore Timothy Fitzpatrick Guest Star Ken Curtis Festus Guest Star Kathleen Cody Cynthia Guest Star Buck Taylor Newly Guest Star Jonathan Goldsmith Monte Rupert Guest Star Dawn Lyn Marcy Guest Star Glenn Strange Sam Noonan Guest Star Nicholas Hammond Britt Guest Star Paul Stevens Cicero Wolfe Guest Star Ted Jordan Nathan Burke Guest Star Richard Lundin Canoot Guest Star Dan Ferrone Dan Ross Guest Star Robert Brubaker Murphy Guest Star Paul Picerni Grimes Guest Star David Huddleston Dad Goodpastor Guest Star Bernard McEveety Director Gunnar Hellström Director Vincent McEveety Director Irving J. Moore Director John Mantley Producer Alf Kjellin Director Calvin Clements Sr. Writer Jim Byrnes Writer Paul Savage Writer Ron Bishop Writer William Keys Writer Paul F. Edwards Writer Hal Sitowitz Writer Earl W. Wallace Writer Norman MacDonnell Producer Richard Fielder Writer Harry Kronman Writer Shimon Wincelberg Writer Paul Edwards Writer Dick Nelson Writer