Lorne Greene Ben Cartwright Actor Michael Landon Little Joe Cartwright Actor, Writer, Director Dan Blocker Eric "Hoss" Cartwright Actor David Canary Candy Actor Bing Russell Deputy Clem Foster Actor Victor Sen Yung Hop Sing Actor John Beck Guest Star Robert Donner Guest Star Foster Brooks Guest Star Dub Taylor Guest Star George Morgan Guest Star Walter Barnes Guest Star Harry Hickox Guest Star Stuart Nisbet Guest Star Roy Engel Guest Star Elaine Giftos Guest Star Don Melvoin Guest Star Ted Gehring Guest Star Ollie O'Toole Guest Star Remo Pisani Guest Star David Dortort Executive Producer Richard Collins Producer Preston Wood Writer Herschel Daugherty Director William F. Claxton Director Joel Murcott Writer Jonathan Knopf Writer Bruce Bilson Director Barney Slater Writer Don Richardson Director Leon Benson Director Jack Sowards Writer John Hawkins Writer B.W. Sandefur Writer Lewis Allen Director Stanley Roberts Writer William Wiard Director Larry Markes Writer