Lorne Greene Ben Cartwright Actor Michael Landon Little Joe Cartwright Actor Dan Blocker Eric "Hoss" Cartwright Actor Pernell Roberts Adam Cartwright Actor Onslow Stevens Guest Star Arthur Hunnicutt Guest Star Adam Williams Guest Star Ray Hemphill Guest Star John Harmon Guest Star Evelyn Scott Guest Star Alan Reed Jr. Guest Star Don Haggerty Guest Star Robert Kline Guest Star Dick Rich Guest Star George Sawaya Guest Star Barbara Pepper Guest Star James W. Lane Executive Producer David Dortort Producer Carey Wilber Writer Christian Nyby Director