MOVIE
Bonanza: Under Attack
WesternTV Movie
After a rogue band of Pinkerton detectives led by ruthless Charley Siringo bushwhacks reformed outlaw Frank James, he seeks sanctuary on the Ponderosa with the next generation of Cartwrights and his former Civil War compatriots. Will Frank's comrades come to his aid or turn their backs on him? Richard Roundtree also stars in this made-for-TV sequel to the popular Western series.
Top cast
Leonard NimoyFrank James
Ben JohnsonBronc Evans
Jack ElamBuckshot
Richard RoundtreeJacob
Dennis FarinaCharley Siringo
Dirk BlockerFenster
Michael Landon Jr.Benjamin 'Benj' Cartwright
Emily WarfieldSara Cartwright
Brian LecknerJosh Cartwright- Jeff PhillipsAdam 'A.C.' Cartwright Jr.
- Sonia SatraAnnie Stewart
James KarenMr. Stewart
Where to watch
Netflix
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Not currently available on the supported providers in EG.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 12 Jul 2026.