James Arness Marshal Matt Dillion Actor Milburn Stone Dr. Galen "Doc" Adams Actor Amanda Blake Kitty Russell Actor Ken Curtis Festus Guest Star Buck Taylor Newly Guest Star Glenn Strange Sam Noonan Guest Star Ted Jordan Nathan Burke Guest Star Eric Braeden Jack Sinclair Guest Star Alejandro Rey Father Sanchez Guest Star Katherine Justice Beth Tipton Guest Star Warren J. Kemmerling Conductor Guest Star Harry Carey Jr. Kelliher Guest Star Walter Sande Calwell Guest Star Sam Melville Nebo Guest Star Leonard Katzman Producer Jim Byrnes Writer Bernard McEveety Director