Lorne Greene Ben Cartwright Actor Michael Landon Little Joe Cartwright Actor Dan Blocker Eric "Hoss" Cartwright Actor David Canary Candy Actor Joe Don Baker Guest Star Jean Hale Guest Star Clifton James Guest Star Ann Doran Guest Star Susan Trustman Guest Star Russell Thorson Guest Star Hal Lynch Guest Star Mitch Vogel Jamie Hunter Guest Star Val Bisoglio Guest Star Jon Lormer Guest Star Stuart Randall Guest Star Ed Long Guest Star David Dortort Executive Producer Richard Collins Producer Leon Benson Director Alf Harris Writer