Lorne Greene Ben Cartwright Actor Michael Landon Little Joe Cartwright Actor Dan Blocker Eric "Hoss" Cartwright Actor Pernell Roberts Adam Cartwright Actor Jane Greer Guest Star Alexander Scourby Guest Star Kay E. Kuter Guest Star Kem Dibbs Guest Star Harry Seymour Guest Star Robert Stevenson Guest Star Roy Engel Guest Star Rush Williams Guest Star Mary Munday Guest Star Robert B. Williams Guest Star James W. Lane Executive Producer David Dortort Producer Al C. Ward Writer Christian Nyby Director