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)
Nina Foch Clarissa Cartwright Clarissa Cartwright See fewer	The Ten Commandments (1956)
Roy Roberts George Bristol George Bristol See fewer	Chinatown (1974)
Robert Foulk Seth Peterson Seth Peterson See fewer	The Maltese Falcon (1941)
Ray Teal Sheriff Roy Coffee Sheriff Roy Coffee See fewer	Ace in the Hole (1951)
Ken Mayer Harry Baker Harry Baker See fewer	Little Big Man (1970)
Victor Sen Yung Hop Sing Hop Sing See fewer	Across the Pacific (1942)
Louise Lorimer Elvira Peterson Elvira Peterson See fewer	Flying Cadets (1941)
Norman Leavitt Telegrapher Telegrapher See fewer	Off Limits (1952)
John Breen Party Guest (uncredited) Party Guest (uncredited) See fewer	Gunsmoke (1955)
Gene Coogan Party Guest (uncredited) Party Guest (uncredited) See fewer	Peter Gunn (1958)
Jack Tornek Party Guest (uncredited) Party Guest (uncredited) See fewer	A Five Foot Ruler (1917)