Lorne Greene Ben Cartwright Actor Michael Landon Little Joe Cartwright Actor Dan Blocker Eric "Hoss" Cartwright Actor Pernell Roberts Adam Cartwright Actor Kathie Browne Guest Star Lee Henry Guest Star Peter Breck Guest Star Katie Sweet Guest Star Roy Barcroft Guest Star Lincoln Demyan Guest Star Lew Brown Guest Star Norman Leavitt Guest Star Charles Seel Guest Star Robert Broyles Guest Star James W. Lane Executive Producer David Dortort Producer William L. Stuart Writer Joseph Sargent Director