Name	Known for
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)
Lorne Greene Ben Cartwright Ben Cartwright See fewer	Bonanza (1959)
Jack Kruschen Giorgio Rossi Giorgio Rossi See fewer	The Apartment (1960)
Brioni Farrell Regina Rossi Regina Rossi See fewer	Star Trek (1966)
Penny Santon Maria Rossi Maria Rossi See fewer	Fletch (1985)
Michael Stefani Lorenzo Rossi Lorenzo Rossi See fewer	Trancers (1984)
Donald Woods Cass Gurney Cass Gurney See fewer	The Case of the Stuttering Bishop (1937)
Robert F. Lyons Sandy Gurney Sandy Gurney See fewer	Platoon Leader (1988)
Chris Alcaide Jim Blake Jim Blake See fewer	The Big Heat (1953)
Bing Russell Deputy Clem Foster Deputy Clem Foster See fewer	The Magnificent Seven (1960)
Loren Brown Townsman (uncredited) Townsman (uncredited) See fewer	Dragnet (1951)
Bud Cokes Townsman (uncredited) Townsman (uncredited) See fewer	Little Big Man (1970)
Jack Gordon Townsman (uncredited) Townsman (uncredited) See fewer	Crime, Inc. (1945)
Richard LaMarr Townsman (uncredited) Townsman (uncredited) See fewer	The Fatal Ring (1917)
Mike Ragan Haggart (uncredited) Haggart (uncredited) See fewer	Montana Belle (1952)
Dean Savant Townsman (uncredited) Townsman (uncredited) See fewer
Max Wagner Townsman (uncredited) Townsman (uncredited) See fewer	Invaders from Mars (1953)