Lorne Greene Ben Cartwright Actor Michael Landon Little Joe Cartwright Actor Dan Blocker Eric "Hoss" Cartwright Actor Pernell Roberts Adam Cartwright Actor Edgar Buchanan Hallelujah Hicks Guest Star Lane Bradford Buck Guest Star Larry Gates Jacob Darien Guest Star Burt Douglas Jack Tatum Guest Star Claude Akins Ezekiel Guest Star Charles Tannen Dave - the Bartender Guest Star Roy Engel Guest Star Sherwood Price Guest Star Norman Leavitt Rudy the Telegrapher Guest Star Mickey Simpson Miner Guest Star Bob Miles Guest Star Clarence Straight Older Man Guest Star Robert Adler O'Hara Guest Star Bob Hopkins Carnival Announcer Guest Star Rush Williams Matthew Guest Star Bill Clark Guest Star James W. Lane Executive Producer David Dortort Producer Ward Hawkins Writer Anthony Lawrence Writer Gene L. Coon Writer E. Jack Neuman Writer Robert Altman Director Lewis Allen Director James Neilson Director Dick Moder Director William Witney Director William D. Faralla Director John Florea Director John Rich Director Steve McNeil Writer James P. Yarbrough Director Alvin Ganzer Director Mathilde Ferro Writer Richard Bartlett Director Jacques Tourneur Director