Lorne Greene Ben Cartwright Actor Michael Landon Little Joe Cartwright Actor Dan Blocker Eric "Hoss" Cartwright Actor Gregory Walcott Guest Star Heather Menzies-Urich Guest Star Carl Reindel Guest Star Scott Walker Guest Star Jerry Gatlin Guest Star Ken Mayer Guest Star Darrell Larson Guest Star Harlan Warde Guest Star Chick Chandler Guest Star David Dortort Executive Producer Richard Collins Producer William F. Claxton Director Preston Wood Writer