Name	Known for
Lorne Greene Ben Cartwright Ben Cartwright See fewer	Bonanza (1959)
Dan Blocker Eric 'Hoss' Cartwright Eric 'Hoss' Cartwright See fewer	Bonanza (1959)
Michael Landon Joseph 'Little Joe' Cartwright Joseph 'Little Joe' Cartwright See fewer	Little House on the Prairie (1974)
Michael Burns Donny Benson Donny Benson See fewer	The Private Navy of Sgt. O'Farrell (1968)
Robert Biheller Ted 'Napoleon' Arseneaux Ted 'Napoleon' Arseneaux See fewer	Fire in the Sky (1993)
Woodrow Parfrey Professor Professor See fewer	The Outlaw Josey Wales (1976)
Phyllis Hill Grace Benson Grace Benson See fewer	One Step Beyond (1959)
Bing Russell Deputy Clem Foster Deputy Clem Foster See fewer	The Magnificent Seven (1960)
Eugene Mazzola J.W. (as Eugene Martin) J.W. (as Eugene Martin) See fewer	End of the Spear (2005)
Kevin O'Neal Reb Reb See fewer	What's Up, Doc? (1972)
Ken Del Conte Sampson Sampson See fewer	Death Calls (2010)
Victor Sen Yung Hop Sing Hop Sing See fewer	Across the Pacific (1942)
John Breen Townsman (uncredited) Townsman (uncredited) See fewer	Gunsmoke (1955)
Bill Clark Gang Member (uncredited) Gang Member (uncredited) See fewer	Bonanza (1959)
Martha Manor Townswoman (uncredited) Townswoman (uncredited) See fewer	Falcon Crest (1981)
Jack Tornek Townsman (uncredited) Townsman (uncredited) See fewer	A Five Foot Ruler (1917)
Jesse Wayne Gang Member (uncredited) Gang Member (uncredited) See fewer	Escape from New York (1981)