Lorne Greene Ben Cartwright Actor Michael Landon Little Joe Cartwright Actor Dan Blocker Eric "Hoss" Cartwright Actor Lou Frizzell Dusty Rhoades Actor Victor French Guest Star Sandy Duncan Guest Star Hal Baylor Guest Star Ted Gehring Guest Star Pernell Roberts Adam Cartwright Actor Mitch Vogel Jamie Hunter Actor Tim Matheson Griff King Actor Don Haggerty Guest Star Leroy Johnson Guest Star Larry D. Mann Guest Star John Mitchum Guest Star Beth Peters Guest Star Dub Taylor Guest Star David Dortort Executive Producer Richard Collins Producer Preston Wood Writer Herschel Daugherty Director